[kee-muh-sfeer, kem-uh-] /ˈki məˌsfɪər, ˈkɛm ə-/
the region of the atmosphere most characterized by chemical, especially photochemical, activity, starting in the stratosphere and including the mesosphere and perhaps part of the thermosphere.
(meteorol) a rare name for thermosphere
/ˈkiːməʊˌstæt; ˈkɛm-/ noun 1. an apparatus for growing bacterial cultures at a constant rate by controlling the supply of nutrient medium
[kee-moh-ster-uh-lahyz, kem-oh-] /ˌki moʊˈstɛr əˌlaɪz, ˌkɛm oʊ-/ verb (used with object), chemosterilized, chemosterilizing. 1. to (insects or other animals) with a chemosterilant.
[kee-moh-ster-uh-luh nt, kem-oh-] /ˌki moʊˈstɛr ə lənt, ˌkɛm oʊ-/ noun 1. a chemical that causes an animal to become irreversibly sterile without changing its mating behavior or longevity.
[kee-moh-sin-thuh-sis, kem-oh-] /ˌki moʊˈsɪn θə sɪs, ˌkɛm oʊ-/ noun, Biology, Biochemistry. 1. the of organic compounds within an organism, with chemical reactions providing the energy source. /ˌkɛməʊˈsɪnθɪsɪs/ noun 1. the formation of organic material by certain bacteria using energy derived from simple chemical reactions n. 1898, from chemo- + synthesis. chemosynthesis (kē’mō-sĭn’thĭ-sĭs) The formation of […]