| Subject | English | Irish |
| environ. | aeroplane noise exposure index | treoiruimhir na neamhchosanta ar thorann eitileán |
| fin. | aggregate rating index | innéacs rátála comhiomlán |
| environ. | air cleaning index | treoiruimhir ghlanadh an aeir |
| environ. | atmospheric pollution index | treoiruimhir do thruailliú an atmaisféir |
| environ. | biotic index Scale for showing the quality of an environment by indicating the types of organisms present in it (e.g. how clean a river is) | innéacs bitheach |
| life.sc., environ. | biotic index | treoiruimhir bhitheach |
| environ. | black smoke index | innéacs deataigh dhuibh |
| environ. | blackening index | innéacs dúchana |
| fin. | bond tied to an index | banna innéacsnasctha |
| life.sc., environ. | Cairns index | innéacs Cairns |
| energ.ind. | cogeneration index | innéacs comhghiniúna |
| market. | collection index | innéacs bailiúcháin |
| el. | colour rendering index | treoiruimhir dathscáthaithe |
| fin. | commodity index | innéacs tráchtearraí |
| transp. | connectivity index | treoiruimhir na comhcheangailte |
| transp. | connectivity index | séan na comhcheangailte |
| commer. | Consumer Conditions Index | Innéacs Dhálaí na dTomhaltóirí |
| econ., fin. | consumer price index | treoiruimhir praghsanna |
| comp., MS | Contact index | innéacs teagmhálaithe (A set of buttons used to move through contact items displayed in Address Cards or Detailed Address Cards view. The Contact index moves the focus to the first contact whose name begins with the selected character) |
| comp., MS | content index | innéacs inneachair (The full-text index, pointer to the property store, and other data that describes content across content sources, scopes, and servers) |
| comp., MS | content index server | freastalaí innéacs inneachair (A server that is dedicated to creating and updating context indexes) |
| comp., MS | content indexing | innéacsú inneachair (The process of creating an index of the content) |
| econ. | cost of living index | innéacs costas maireachtála |
| environ., chem. | desulfurising index | treoiruimhir dhíshulfaraithe |
| environ. | dissolution relative index | innéacs coibhneasta tuaslagtha |
| transp., nautic., environ. | Energy Efficiency Design Index | innéacs éifeachtúlachta fuinnimh dearaidh |
| environ., energ.ind. | energy efficiency index | treoruimhir maidir le héifeachtúlacht fuinnimh |
| transp., nautic., environ. | Energy Efficiency Operational Index | an tInnéacs Oibriúcháin ar Éifeachtúlacht Fuinnimh |
| environ. | environmental index An index of available environmental articles from 1972 to present; also known as Environmental Abstract Annual | innéacs comhshaoil |
| fin. | equity index | innéacs cothromais |
| gen. | European Consumer Price Index | innéacs Eorpach praghsanna do thomhaltóirí |
| gen. | European Consumer Price Index | IEPT |
| econ., commer., polit. | European index of consumer prices | IEPT |
| gen. | European index of consumer prices | innéacs Eorpach praghsanna do thomhaltóirí |
| busin. | European Rating Index | an tInnéacs Rátála Eorpach |
| fin. | externally generated index | innéacs ginte go seachtrach |
| econ., food.ind., UN | FAO food price index | praghasinnéacs bia an FAO |
| phys.sc., chem. | Folin-Ciocalteu index | treoiruimhir Folin-Ciocalteu |
| comp., MS | full-text index | innéacs lán-téacs (An index that enables full-text search for a group of managed properties) |
| comp., MS | full-text index catalog | catalóg innéacs lán-téacs (A collection of full-text index components and other files that are organized in a specific directory structure and contain the data that is needed to perform queries) |
| comp., MS | full-text index component | comhpháirt innéacs lán-téacs (A set of files that contain all index keys that are extracted from a set of items) |
| comp., MS | full-text index propagation | forleathadh innéacs lán-téacs (The process of propagating of one full-text index component) |
| comp., MS | full-text search index | innéacs chuardach lán-téacs (An index that enables full-text search for a group of managed properties) |
| life.sc., environ. | Gabriel index | innéacs Gabriel |
| environ. | gaseous acid air pollution index | innéacs den aerthruailliú aigéadach gásach |
| fin., stat. | GDP per capita volume index | méid-innéacs OTI per capita |
| life.sc., environ. | greenhouse climate response index | innéacs na freagartha ar an iarmhairt cheaptha teasa |
| life.sc., environ. | greenhouse climate response index | GCRI |
| gen. | health utility index | treoiruimhir sláinte is folláine |
| tech., mater.sc. | heat stress index | treoiruimhir struis theirmigh |
| health. | heat stress index of Belding and Hatch | treoiruimhir struis theirmigh Belding agus Hatch |
| life.sc., environ. | Hellawell index | innéacs Hellawell |
| law, commer. | Herfindahl-Hirschman Index | treoiruimhir Herfindahl-Hirschmann |
| stat., social.sc. | Human Development Index | an tInnéacs um Fhorbairt Dhaonna |
| environ. | hydrocarbon index by type | innéacs hidreacarbóin de réir cineáil |
| econ., environ. | Inclusive Wealth Index | Innéacs an Rachmais Chuimsithigh |
| fin. | index CDS | innéacs na babhtála mainneachtana creidmheasa |
| fin. | index CDS | innéacs CDS |
| fin. | index credit default swap | innéacs na babhtála mainneachtana creidmheasa |
| fin. | index credit default swap | innéacs CDS |
| comp., MS | index entry | iontráil innéacs (A field code that marks specific text for inclusion in an index. When you mark text as an index entry, Microsoft Office Word inserts an XE (Index Entry) field formatted as hidden text) |
| fin. | index fund | ciste rianúcháin |
| fin. | index hedge | fálú innéacs |
| fin. | index holding | sealúchas innéacs |
| fin. | index-linked bond | banna innéacsnasctha |
| fin. | index-linking | innéacsú |
| fin. | index-linking | innéacsnascadh |
| stat. | index of determination | comhéifeacht chinntiúcháin |
| stat., market. | index of export prices | innéacs na bpraghsanna onnmhairiúcháin |
| stat., market. | index of import prices | innéacs na bpraghsanna allmhairíochta |
| phys.sc., chem. | index of refraction | comhéifeacht athraonta |
| stat., fin. | Index of Sustainable Economic Welfare | Innéacs den Leas Eacnamaíoch Inbhuanaithe |
| environ. | index organism | orgánach táscach |
| comp., MS | index partition | deighilt innéacs (A logical portion of the search index) |
| comp., MS | index propagation | forleathadh innéacs (The process of distributing an index from a content index server to one or more Web servers for the purposes of providing search) |
| comp., MS | index replica | macasamhail innéacs (A copy of a search index within an index partition) |
| comp., MS | index role | ról innéacs (The role name of a server that services indexing in the farm topology) |
| comp., MS | index server | freastalaí innéacs (A server that crawls content and uses that content to create the content index) |
| crim.law., IT | index system | córas innéacs |
| law, transp. | index to the information package | innéacs don phacáiste faisnéise |
| fin. | index-tracking fund | ciste rianúcháin |
| fin. | index tracking fund management | bainistíocht éighníomhach cistí |
| fin. | index tracking fund management | bainistíocht cistí de réir treoiruimhreach |
| environ. | indexing of documentation A service which creates a special contents list, containing titles, authors, abstracts, subject headings and other information, to describe a large number of publications and to be used in searchable, machine-readable (or printed) look-up tables | doiciméadacht a innéacsú |
| transp. | International Roughness Index | innéacs idirnáisiúnta gairbhe |
| transp. | International Roughness Index | IRI |
| health., anim.husb. | intravenous pathogenicity index | innéacs pataigineachta infhéithigh |
| comp., MS | inverted index | innéacs inbhéartaithe (For each token that is encountered in a corpus of indexed items, a data structure that stores a list of postings that identify which documents matched and a list of occurrences that identify which position in each document) |
| earth.sc., tech. | isopsophic index | innéacs iseapsófach |
| environ. | Kováts retention index | innéacs coinneála Kováts |
| agric. | leaf-area index | innéacs achar na nduilleog |
| transp. | Load Index | Innéacs Ualaigh |
| gen. | load-capacity index | innéacs toillte ualaigh |
| fin. | main index | príomhinnéacs |
| fin. | Main Index Convertible Bonds | banna in-chomhshóite príomhinnéacs |
| fin. | main index equity | caipiteal gnáthscaireanna príomhinnéacs |
| comp., MS | metadata index | innéacs meiteashonraí (A data structure on a back-end database server that stores properties that are associated with each item, and attributes of those properties) |
| agric. | milk indexing | innéacsú bainne |
| life.sc. | mitosis index | treoiruimhir mhiotóiseach |
| life.sc. | mitotic index | treoiruimhir mhiotóiseach |
| health., anim.husb. | neutralisation index | innéacs neodrúcháin |
| fin. | non-main index equity | caipiteal gnáthscaireanna neamh-phríomhinnéacs |
| environ. | odor intensity index | innéacs láidreachta bolaidh |
| phys.sc., chem. | optical index | comhéifeacht athraonta |
| fin., stat. | per capita GDP volume index | méid-innéacs OTI per capita |
| fin. | performance of an index | feidhmíocht innéacs |
| environ. | permanganate index | innéacs sármhanganáite |
| environ. | pollution index | innéacs truailliúcháin |
| environ. | pollutional index | innéacs truailliúcháin |
| commer., fin. | precious metal index | innéacs na miotal lómhar |
| account. | price index | innéacs praghsanna |
| stat. | price level index | innéacs praghasleibhéal |
| nat.sc., nucl.phys. | radioactivity index | innéacs radaighníomhaíochta |
| phys.sc., chem. | refractive index | comhéifeacht athraonta |
| chem. | refractive index increment | breisíocht sa chomhéifeacht athraonta |
| chem. | saponification index | uimhir ghallúnaithe |
| chem. | saponification index | innéacs gallúnaithe |
| environ. | saprobic index Indication or measure of the level of organic pollution | treoiruimhir sapróbach |
| environ. | Sar index | innéacs Sar |
| comp., MS | search index | innéacs cuardaigh (A set of data structures that facilitates query evaluation by a search service application) |
| comp., MS | search scope index | innéacs scóip an chuardaigh (A specialized component of a full-text index catalog that is built on the values of scoped properties for optimized queries) |
| environ. | smog index | innéacs toitcheo |
| earth.sc. | sound reduction index | innéacs maidir le laghdú torainn |
| med. | stimulation index | innéacs spreagtha |
| med. | stimulation index | innéacs an spreagtha |
| fin. | stock index fund | ciste rianúcháin |
| fin. | stock price index | innéacs cothromais |
| environ. | total NEF index | séan NEF iomlán |
| environ. | total NEF index | innéacs NEF iomlán |
| commer., econ., fin. | trade weighted index | innéacs ualaithe ó thaobh trádála |
| econ., market. | Unit value export index | innéacs de luach aonaid na n-onnmhairí |
| stat., market. | unit value index of exports | innéacs de luach aonaid na n-onnmhairí |
| stat. | volume index | innéacs toirte |
| life.sc., environ. | water quality biologic index | innéacs bitheolaíoch de cháilíocht an uisce |
| comp., MS | Web Part zone index | innéacs creasa na gComhpáirteanna Gréasáin (An integer that specifies the relative position of a Web Part in a Web Part zone. Web Parts are positioned from the smallest to the largest zone index. If two or more Web Parts have the same zone index, they are positioned adjacent to each other in an undefined order) |
| econ. | weighted index | innéacs meáite |
| tech., energ.ind. | Wobbe index | innéacs Wobbe |
| comp., MS | zero-based index | innéacs ar bhonn nialasach (An index in which the first item has an index of zero) |