| Subject | English | Latvian |
| environ. | complex formation Formation of a complex compound. Also known as complexing or complexation | sarežģīta veidošanās |
| comp., MS | complex instruction set computing | sarežģītas instrukcijkopas skaitļošana (The implementation of complex instructions in a microprocessor design so that they can be invoked at the assembly language level. The instructions can be very powerful, allowing for complicated and flexible ways of calculating such elements as memory addresses. All this complexity, however, usually requires many clock cycles to execute each instruction) |
| comp., MS | complex network | komplekss tīkls (A type of operations network in which simultaneous operations take place or in which operations overlap, are contingent on each other, or have other complex relationships) |
| patents. | complex product | komplekss ražojums |
| comp., MS | complex script | saliktā rakstība (A language whose characters require ligation or shaping, such as a right-to-left language (Arabic, Persian, Hebrew, and Urdu) or certain South Asian languages) |
| law, econ. | complex, single and continuous infringement | sarežģīts, vienots un turpināts pārkāpums |
| chem. | complex substance | sarežģīta viela |
| comp., MS | complex transition | saliktā pāreja (In a statechart or activity diagram, a relationship between multiple source and/or target states or action states) |
| comp., MS | complex type | salikts tips (An element that can contain other elements or attributes and appears as in an XML document) |
| comp., MS | complex type (An element that can contain other elements or attributes and appears as | salikts tips |
| environ. | complexing agent A substance capable of forming a complex compound with another material in solution | kompleksants |
| med., health., anim.husb. | major histocompatibility complex | galvenais audu saderības komplekss |
| nat.res., health., anim.husb. | pneumoenteritis complex | mazo atgremotāju mēris |
| earth.sc. | soil adsorption complex | augsnes adsorbcijas komplekss |
| earth.sc., environ. | storage complex | uzglabāšanas komplekss |
| chem. | substance of unknown or variable composition, complex reaction products or biological materials | vielas, kuru sastāvs nav zināms vai ir mainīgs, kas ir kompleksi reakcijas produkti vai bioloģiski materiāli |
| health., med. | tuberous sclerosis complex | tuberozā skleroze |