| OPERON | • operon n. A unit of genetic material that functions in a coordinated manner by means of an operator, a promoter… • OPERON n. a group of genes operating as a unit.
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| OPERONS | • operons n. Plural of operon. • OPERON n. a group of genes operating as a unit.
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| OPEROSE | • operose adj. (Now rare) Of a person: busy, industrious, or painstaking. • operose adj. (Now rare) Made with or requiring a lot of labour; painstaking, laborious.
 • operose adj. (Now rare) Tedious, wearisome.
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| OPEROSELY | • operosely adv. In an operose manner. • OPEROSE adv. involving great labour.
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| OPEROSITY | • operosity n. Laboriousness. • OPEROSITY n. laboriousness.
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| OPEROSENESS | • operoseness n. (Archaic) The state of being operose; tedium. • OPEROSENESS n. the state of being operose.
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| OPEROSITIES | • OPEROSITY n. laboriousness. | 
| ENDOPEROXIDE | • endoperoxide n. (Chemistry, biochemistry) Any heterocycle containing a peroxide -O-O- residue in the ring; found especially… • ENDOPEROXIDE n. any of various biosynthetic intermediates in the formation of prostaglandins.
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| ENDOPEROXIDES | • endoperoxides n. Plural of endoperoxide. • ENDOPEROXIDE n. any of various biosynthetic intermediates in the formation of prostaglandins.
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| HYDROPEROXIDE | • hydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH. • HYDROPEROXIDE n. a compound containing an O2H group.
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| OPEROSENESSES | • OPEROSENESS n. the state of being operose. | 
| HYDROPEROXIDES | • hydroperoxides n. Plural of hydroperoxide. • HYDROPEROXIDE n. a compound containing an O2H group.
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