pronuclear

adjective (1)
pro·​nu·​clear | \ (ˌ)prō-ˈnü-klē-ər How to pronounce pronuclear (audio) , -ˈnyü-, nonstandard -kyə-lər How to pronounce pronuclear (audio) \

Definition of pronuclear

 (Entry 1 of 2)

: of, relating to, or resembling a pronucleus

pronuclear

adjective (2)

Definition of pronuclear (Entry 2 of 2)

: advocating the use of nuclear-powered generating stations

First Known Use of pronuclear

Adjective (1)

circa 1889, in the meaning defined above

Adjective (2)

1963, in the meaning defined above

History and Etymology for pronuclear

Adjective (1)

pronucleus

Adjective (2)

pro- entry 2 + nuclear

Keep scrolling for more

Learn More about pronuclear

Time Traveler for pronuclear

Time Traveler

The first known use of pronuclear was circa 1889

See more words from the same year

Statistics for pronuclear

Cite this Entry

“Pronuclear.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pronuclear. Accessed 6 Jul. 2020.

Keep scrolling for more

More Definitions for pronuclear

pronuclear

adjective
pro·​nu·​clear | \ (ˈ)prō-ˈn(y)ü-klē-ər How to pronounce pronuclear (audio) \

Medical Definition of pronuclear

: of, relating to, or resembling a pronucleus

Comments on pronuclear

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

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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!