noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/ˌhaɪ.pɚˈpleɪ.ʒə/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:HH AY2 P ER0 P L EY1 ZH AA0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An increase in the size of a tissue or organ due to increased number of cells.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
abnormal increase in number of cells
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: dysplasia
Narrower terms: benign prostatic hyperplasia, BPH
History
Etymology
Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Hellenic *hupér Ancient Greek ῠ̔πέρ (hŭpér) Ancient Greek ῠ̔περ- (hŭper-)der. English hyper- Proto-Hellenic *pláthyō Proto-Hellenic *pláťťō? Ancient Greek πλάσσω (plássō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σις (-sis) Ancient Greek πλᾰ́σῐς (plắsĭs)der. New Latin -plasiabor. English -plasia English hyperplasia From hyper- + -plasia.
Across languages
Translations
14 source translations are retained for this English entry.
Catalan:
hiperplàsia
— increase in the size of a tissue or organ
Chinese Mandarin:
增生
(zēngshēng)
— increase in the size of a tissue or organ
Dutch:
hyperplasie
— increase in the size of a tissue or organ
Finnish:
hyperplasia
— increase in the size of a tissue or organ
French:
hyperplasie
— increase in the size of a tissue or organ
Gujarati:
અતિવર્ધન
(ativardhan)
— increase in the size of a tissue or organ
Hindi:
अतिवर्धन
(ativardhan)
— increase in the size of a tissue or organ
Irish:
hipearpláise
— increase in the size of a tissue or organ
Italian:
iperplasia
— increase in the size of a tissue or organ
Occitan:
iperplasia
— increase in the size of a tissue or organ
Polish:
rozrost
— increase in the size of a tissue or organ
Spanish:
hiperplasia
— increase in the size of a tissue or organ
Swedish:
hyperplasi
— increase in the size of a tissue or organ
Turkish:
hiperplazi
— increase in the size of a tissue or organ