Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

effector

play
noun ef·fec·tor \i-ˈfek-tər, -ˌtȯr\

Definition of effector

  1. 1 :  a bodily organ (as a gland or muscle) that becomes active in response to stimulation

  2. 2 :  a molecule (as an inducer or a corepressor) that activates, controls, or inactivates a process or action (as protein synthesis)



1906

First Known Use of effector

1906


Medical Dictionary

effector

play play
noun ef·fec·tor \i-ˈfek-tər, -ˌtȯ(ə)r\

Medical Definition of effector

  1. 1:  a bodily organ (as a gland or muscle) that becomes active in response to stimulation

  2. 2:  a molecule (as an inducer, a corepressor, or an enzyme) that activates, controls, or inactivates a process or action (as protein synthesis or the release of a second messenger)




Learn More about effector

  1. Medical Dictionary: Definition of "effector"


Seen and Heard

What made you want to look up effector? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 14, 2016

to hug and kiss another person

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

196.5 pounds 16.96 pounds 100 pounds 2.2 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ