| Subject | English | Latvian |
| nat.sc., agric. | Atlantic black skipjack | Atlantijas plankumainā tunzivs (Euthynnus alletteratus, Euthynnus quadripunctatus, Thynnus thonina, Euthynnus alletteratus, Euthynnus quadripunctatus, Thynnus thonina) |
| law, geogr. | Black Africa | Subsahāras Āfrika |
| law, geogr. | Black Africa | Melnā Āfrika |
| life.sc., agric. | black alder | melnalksnis (Alnus glutinosa) |
| comp., MS | black and white effect | melnbaltais efekts (One of a group of photo modifications someone can make to a color photo that mimic different effects that would be achieved by taking the same photo using black and white film stock. One effect uses strict conversion to monochrome by throwing away all of the color information. Others mimic the result when a black and white photo is taken through a colored filter-orange, red, or yellow-to enhance or suppress certain color information. Two effects perform strict conversions to monochrome and then apply a color tint-sepia or cyan-in one step) |
| comp., MS | Black and white effects | Melnbaltie efekti (The panel item that opens the image editing tool that enables the user to apply a black and white effect) |
| fish.farm. | black-bellied angler | melnvēdera jūrasvelns (Lophius budegassa) |
| fish.farm. | black-belly rosefish | zilmutes sarkanasaris (Helicolenus dactylopterus) |
| nat.sc., el. | black body locus | melnā punkta lokuss |
| fish.farm. | black centrina | laternhaizivs (Etmopterus spinax, Spinax niger, Etmopterus spinax, Spinax niger) |
| nat.sc., agric. | black cherry | vēlā ieva (Prunus serotina) |
| environ. | black coal A natural black graphitelike material used as a fuel, formed from fossilized plants and consisting of amorphous carbon with various organic and some inorganic compounds | akmeņogles |
| nat.sc., agric. | black couch | parastā smilga (Agrostis capillaris L., Agrostis tenuis Sibth., Agrostis capillaris L., Agrostis tenuis Sibth.) |
| life.sc., fish.farm. | black dogfish | melnā kaķhaizivs (Centroscyllium fabricii) |
| econ. | black economy | ēnu ekonomika |
| ornit. | black grouse | teteris (Tetrao tetrix (=Lyrurus tetrix)) |
| ornit. | black grouse | rubenis (Tetrao tetrix (=Lyrurus tetrix)) |
| tech., industr., construct. | black liquor | melnais atsārms |
| immigr. | black market | neformālā ekonomika |
| life.sc., fish.farm. | black marlin | melnais marlīns (Makaira indica, Tetrapturus indicus, Makaira indica, Tetrapturus indicus) |
| life.sc., agric. | black medick | apiņu lucerna (Medicago lupulina) |
| comp., MS | Black metal | Melnā metāla mūzika (One of the music genres that appears under Genre classification in Windows Media Player library. Based on ID3 standard tagging format for MP3 audio files. Winamp genre ID 138) |
| fin., social.sc. | black money | nelikumīgi iegūtā nauda |
| nat.sc., agric. | black oat | velna auza (Avena strigosa Schreb.) |
| fish.farm. | black scabbardfish | melnā mataste (Aphanopus carbo) |
| life.sc., fish.farm. | black scabbardfish | mataste (Aphanopus carbo) |
| obs., fish.farm. | black scabbardfish | ogļzivs (Aphanopus carbo) |
| comp., MS | Black-Scholes | algoritms Black-Scholes (A technical algorithm used to determine the present value of a future stock price (for determining the value of newly awarded stock options)) |
| environ. | Black Sea No definition needed | Melnā jūra |
| econ. | Black Sea | Melnā jūra |
| environ., polit. | Black Sea Commission | Melnās jūras aizsardzības pret piesārņojumu komisija |
| gen. | Black Sea Commission | Melnās jūras komisija |
| econ. | Black Sea Economic Business Cooperation Council | Melnās jūras reģiona ekonomiskās un biznesa sadarbības padome |
| gen. | Black Sea Economic Cooperation | Melnās jūras reģiona ekonomiskās sadarbības organizācija |
| econ. | Black Sea Economic Cooperation Area | Melnās jūras reģiona ekonomiskās sadarbības zona |
| environ. | Black Sea Environmental Partnership | Melnās jūras vides partnerība |
| construct. | Black Sea Synergy | Melnās jūras reģiona sinerģija |
| econ., fin. | Black Sea Trade and Development Bank | Melnās jūras reģiona tirdzniecības un attīstības banka |
| tech., law, el. | black start capability | darbības atjaunošana pēc atslēgšanās |
| ornit. | black woodpecker | melnā dzilna (Dryocopus martius) |
| environ., polit. | Commission on the Protection of the Black Sea Against Pollution | Melnās jūras aizsardzības pret piesārņojumu komisija |
| gen. | Commission on the Protection of the Black Sea Against Pollution | Melnās jūras komisija |
| environ. | Convention on the Protection of the Black Sea against Pollution | Konvencija par Melnās jūras aizsardzību pret piesārņojumu |
| gen. | Convention on the Protection of the Black Sea against Pollution | Bukarestes konvencija |
| comp., MS | cyan-magenta-yellow-black | ciānfuksīndzeltenmelnais krāsu modelis (A color model for commercial printing that produces a wide range of colors by mixing varying percentages of cyan, magenta, yellow, and black inks) |
| comp., MS | Fade In, From Black | Parādīties, no melna (A filter effect in Windows Movie Maker) |
| comp., MS | Fade Out, To Black | Izgaist, uz melnu (A filter effect in Windows Movie Maker) |
| fish.farm. | large mouthed black bass | lielmutes asaris (Ambloplites salmoides, Micropterus salmoides, Ambloplites salmoides, Micropterus salmoides) |
| gen. | Organisation of the Black Sea Economic Cooperation | Melnās jūras reģiona ekonomiskās sadarbības organizācija |
| gen. | Parliamentary Assembly of the Black Sea Economic Cooperation | Melnās jūras reģiona ekonomiskās sadarbības organizācijas parlamentārā asambleja |
| comp., MS | rich black | piesātināti melns (A more saturated black color created by using 100% process black and some percentage of one or more of cyan, magenta, or yellow) |
