English Dictionary |
REV (revved, revving)
Pronunciation (US): | (GB): |
IPA (US): |
Dictionary entry overview: What does rev mean?
• REV (noun)
The noun REV has 1 sense:
1. rate of revolution of a motor
Familiarity information: REV used as a noun is very rare.
• REV (verb)
The verb REV has 1 sense:
1. increase the number of rotations per minute
Familiarity information: REV used as a verb is very rare.
Dictionary entry details
Sense 1
Meaning:
Rate of revolution of a motor
Classified under:
Nouns denoting time and temporal relations
Synonyms:
rev; revolutions per minute; rpm
Context example:
the engine was doing 6000 revs
Hypernyms ("rev" is a kind of...):
rate (a magnitude or frequency relative to a time unit)
Derivation:
rev (increase the number of rotations per minute)
Conjugation: |
Past simple: revved
Past participle: revved
-ing form: revving
Sense 1
Meaning:
Increase the number of rotations per minute
Classified under:
Verbs of size, temperature change, intensifying, etc.
Synonyms:
rev; rev up
Context example:
rev up an engine
Hypernyms (to "rev" is one way to...):
increase (make bigger or more)
Sentence frame:
Somebody ----s something
Derivation:
rev (rate of revolution of a motor)
Context examples
In astronomy, masers occur when the molecules in certain kinds of gases get revved up and emit a lot of radiation over a very limited range of frequencies.
(NASA Team Probes Peculiar Age-Defying Star, NASA)
Upon administration, lentivirus vector rHIV7-shI-TAR-CCR5RZ-transduced hematopoietic progenitor cells expressing the 3 species of RNAs display 3 seperate mechanims of action: the shRNA blocks the transcription of tat/rev, the TAR decoy binds to the TAT protein that is essential for HIV replication, and CCR5RZ catalyzes CCR5 which is needed for viral attachment and entry into the host cells.
(Lentivirus Vector rHIV7-shI-TAR-CCR5RZ-transduced Hematopoietic Progenitor Cells, NCI Thesaurus)
The 3 RNA products produced by the lentilvirus are: a short hairpin RNA (shRNA) targeted to an exon of the HIV-1 genes tat/rev, designated as shI; a decoy for the HIV TAT reactive element, designated as TAR; a ribozyme targeting the host cells CCR5 chemokine receptor, designated as CCR5RZ.
(Lentivirus Vector rHIV7-shI-TAR-CCR5RZ-transduced Hematopoietic Progenitor Cells, NCI Thesaurus)
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