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

Medical Dictionary

1

primary

play play
adjective pri·ma·ry \ˈprī-ˌmer-ē, ˈprīm-(ə-)rē\

Medical Definition of primary

  1. 1a (1):  first in order of time or development (2):  relating to or being the milk teeth and especially the 20 milk teeth in the human setb (1):  arising spontaneously :  idiopathic <primary insomnia> <the absence of any pelvic abnormality confirmed the diagnosis of primary dysmenorrhea> (2):  being an initial tumor or site especially of cancer <efforts to find the primary tumor have failed—Raphael Feinmesser>c:  providing primary care <a primary physician>

  2. 2:  not derivable from other colors, odors, or tastes

  3. 3:  belonging to the first group or order in successive divisions, combinations, or ramifications <primary nerves>

  4. 4:  of, relating to, or being the amino acid sequence in proteins <primary protein structure>—compare secondary 3, tertiary 2c

  5. 5:  resulting from the substitution of one of two or more atoms or groups in a molecule; especially :  being or characterized by a carbon atom having a bond to only one other carbon atom




2

primary

noun pri·ma·ry

Medical Definition of primary

plural primaries





Seen and Heard

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

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt angry oily maudlin
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ