Merriam-Webster Logo
SINCE 1828
Menu
×

Rh-positive

adjective Rh-pos·i·tive \ ˌär-ˌāch-ˈpä-zə-tiv , -ˈpäz-tiv \

Definition of Rh-positive

: containing Rh factor in the red blood cells

See Rh-positive defined for English-language learners

See Rh-positive defined for kids

First Known Use of rh-positive

1941

in the meaning defined above

See Words from the same year
NEW! Time Traveler

RH-POSITIVE Defined for English Language Learners

Rh-positive

adjective

Definition of Rh-positive for English Language Learners

  • medical : having Rh factor in the blood

Medical Dictionary

Rh-positive

adjective Rh-pos·i·tive \ ˌär-ˌāch-ˈpäz-ət-iv, -ˈpäz-tiv \

medical Definition of Rh-positive

: containing Rh factor in the red blood cells

Learn More about rh-positive

  1. See words that rhyme with Rh-positive

Seen and Heard

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

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

notorious

play

widely and unfavorably known

Get Word of the Day daily email!

TRENDING NOW

  1. asylum 'protection from arrest and extradition given especially to political refugees'

  2. insubordinate 'disobedient to authority'

  3. promulgate 'to make known by open declaration'

  4. epochal 'momentous or unparalleled'

  5. clemency 'merciful treatment of someone who could be given harsh punishment'

SEE ALL

BROWSE DICTIONARY

Rh-positive
RHQ
RHS

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Citation

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games