reactivity

/rɪˈakˈtɪvɪti/

Word Rarity Rare

Frequency: Zipf frequency 2.89 in modern English

Scrabble Score

Letters

Syllables

Unique Chars

Meaning

noun

Countable; Uncountable

noun

Countable; Uncountable

Etymology tree English react Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Old French -ifbor. Middle English -yf English -ive English reactive Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English reactivity From reactive + -ity.

reactivities (plural)

alloreactivity autoreactivity bioreactivity bronchoreactivity hyperreactivity hyporeactivity immunoreactivity nonreactivity overreactivity photoreactivity polyreactivity radioreactivity

cross-reactivity

responsiveness

activity productivity creativity captivity negativity relativity nativity conductivity exclusivity selectivity insensitivity festivity

Questions

How do you pronounce reactivity?

The recorded pronunciation is /rɪˈakˈtɪvɪti/.

What does reactivity mean?

responsiveness to stimulation

Where does reactivity come from?

How to pronounce reactivity

Open the pronunciation page — Open the Speakur entry for “reactivity”.

Read the phonetic spelling — Read the IPA spelling (/rɪˈakˈtɪvɪti/) so you know which sounds to aim for.

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Repeat and practice — Say “reactivity” aloud, matching stress and vowels until it feels natural.