i Register
In some senses, firefly is marked as US. Watch for register when choosing this word.
firefly
UK /ˈfaɪ.əˌflaɪ/ US /ˈfaɪ.ɚˌflaɪ/
noun 1name 1
Collocations
5ADJ.
assumed, available, rare
VERB + FIREFLY
seen
FIREFLY + NOUN
bee, gene, luciferase
PREP.
in, in
ADV.
especially
Definitions
noun
1
Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.
2000, Exploring Life Science, 2: Bats—Cave Life, Marshall Cavendish, page 96, Fireflies are the best-known insects that produce light. […] Many fireflies use their light to communicate, particularly at mating time when males and females have to get together.
The luciferins are different in different species and today both the luciferin and luciferase in the firefly are available in the crystalline form.
name
1
A locality in the MidCoast council area, eastern New South Wales, Australia.
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Idioms & Phrases
Example Bank
601
2000, Exploring Life Science, 2: Bats—Cave Life, Marshall Cavendish, page 96, Fireflies are the best-known insects that produce light. […] Many fireflies use their light to communicate, particularly a
Wiktionary02
The luciferins are different in different species and today both the luciferin and luciferase in the firefly are available in the crystalline form.
Wiktionary03
Various other luciferase genes, especially the firefly luciferase gene, are also used for the study of gene regulation.[…]The classic use of bioluminescence, however, is the use of a luciferin-lucifer
Wiktionary04
Have you ever even seen a firefly?
Tatoeba · #535836705
The firefly was eaten by a toad.
Tatoeba · #697335306
It's a firefly.
Tatoeba · #8777278Usage Notes
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