doubletime

== English == === Etymology === From double +‎ time. === Noun === doubletime (uncountable) (zoology, molecular biology) A gene in Drosophila melanogaster that produces the DBT protein kinase, used to control circadian rhythm. ==== Derived terms ==== dbt abbreviation DBT protein product dbtS a mutant allele that shortens the circadian rhythm dbtL a mutant allele that lengthens the circadian rhythm dbtP a mutant allele that eliminates the circadian rhythm and kills the larva === Verb === doubletime (third-person singular simple present doubletimes, present participle doubletiming, simple past and past participle doubletimed) Alternative form of double-time.