| 单词 | inhibitor |
| 释义 | inhibitor (once / 17130 pages) n An inhibitor is a substance or material that slows down or halts some activity. This word is popular in the chemistry lab, but you might also hear it at a garage. For example, a corrosion inhibitor helps slow down rust. When you feel inhibited, you feel self-conscious and less likely to do things. In chemistry, an inhibitor has the effect of squelching something, shutting it down, or slowing it. For example, in a car engine, antifreeze is an inhibitor — it prevents or slows the formation of ice. Different substances are inhibitors for different reactions and activities. Think of an inhibitor as chemistry's way of saying "Slow down!" or "Stop!" WORD FAMILYinhibitor: inhibitors+/inhibit: inhibited, inhibiting, inhibition, inhibitor, inhibitory, inhibits/inhibited: uninhibited/inhibition: inhibitions/uninhibited: uninhibitedly USAGE EXAMPLESThe drug being tested was nivolumab, a type of checkpoint inhibitor, one of the most promising drug classes for cancer. New York Times(Dec 23, 2016) Checkpoint inhibitors are not working in all patients, just a subset, he said. Seattle Times(Dec 17, 2016) But that good news comes in the context of unexpected problems with the new drugs, known as PCSK9 inhibitors. New York Times(Nov 15, 2016) n a substance that retards or stops an activity Ant|Hypo|Hyper activator (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription angiotensin II inhibitor an agent that retards or restrains the action of angiotensin II antioxidantsubstance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides anticatalyst(chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst moderatorany substance used to slow down neutrons in nuclear reactors Diovan, valsartanan angiotensin II inhibitor that is used to treat high blood pressure glutathione peroxidasean enzyme in the body that is a powerful scavenger of free radicals Se, atomic number 34, seleniuma toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite) carotenoidany of a class of highly unsaturated yellow to red pigments occurring in plants and animals rust inhibitorantioxidant that inhibits the formation of rust deuterium oxide, heavy waterwater containing a substantial proportion of deuterium atoms, used in nuclear reactors beta-naphtholan isomer of naphthol used in rubber as an antioxidant E, tocopherol, vitamin Ea fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body C, ascorbic acid, vitamin Ca vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy substance a particular kind or species of matter with uniform properties |
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