Speakur

Word Pronunciation & Dictionary

r-selection

Word Rarity Uncommon

Frequency: Zipf frequency 4.55 in modern English

Syllables
r-s-e-lec-tion
IPA
12
Scrabble Score
10
Letters
5
Syllables
9
Unique Chars

Meaning

noun

A theory involving natural selection based on quantity.

Uncountable

Etymology

Coined by the American ecologists Robert H. MacArthur and E. O. Wilson in 1967. The choice of the letter r came from rate.

Usage

Phrases

K-selection r/K selection theory

Frequently Paired Words

K-selection r/K selection theory

Questions

What does r-selection mean?
A theory involving natural selection based on quantity.
Where does r-selection come from?
Coined by the American ecologists Robert H. MacArthur and E. O. Wilson in 1967. The choice of the letter r came from rate.

How to pronounce r-selection

  1. Open the pronunciation page — Open the Speakur entry for “r-selection”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “r-selection”.
  4. Repeat and practice — Say “r-selection” aloud, matching stress and vowels until it feels natural.