[ ih-pif-uh-sis ]
/ ɪˈpɪf ə sɪs /
Save This Word!

noun, plural e·piph·y·ses [ih-pif-uh-seez]. /ɪˈpɪf əˌsiz/. Anatomy.
a part or process of a bone separated from the main body of the bone by a layer of cartilage and subsequently uniting with the bone through further ossification.
"Is" it time for a new quiz? "Are" you ready? Then prove your excellent skills on using "is" vs. "are."
Question 1 of 7
IS and ARE are both forms of which verb?

Origin of epiphysis

1625–35; <New Latin <Greek epíphysis a growth upon, equivalent to epi-epi- + phýsis growth (phȳ́(ein) to make grow, bring forth, produce + -sis-sis)


ep·i·phys·e·al [ep-uh-fiz-ee-uhl, ih-pif-uh-see-uhl, -zee-], /ˌɛp əˈfɪz i əl, ɪˌpɪf əˈsi əl, -ˈzi-/, ep·i·phys·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use epiphysis in a sentence

British Dictionary definitions for epiphysis

/ (ɪˈpɪfɪsɪs) /

noun plural -ses (-ˌsiːz)
the end of a long bone, initially separated from the shaft (diaphysis) by a section of cartilage that eventually ossifies so that the two portions fuse together
Also called: epiphysis cerebri (ˈsɛrɪˌbraɪ) the technical name for pineal gland

Derived forms of epiphysis

epiphyseal or epiphysial (ˌɛpɪˈfɪzɪəl), adjective

Word Origin for epiphysis

C17: via New Latin from Greek: a growth upon, from epi- + phusis growth, from phuein to bring forth, produce
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for epiphysis

[ ĭ-pĭfĭ-sĭs ]

n. pl. e•piph•y•ses (-sēz′)
The end of a long bone that is originally separated from the main bone by a layer of cartilage but that later becomes united to the main bone through ossification.
pineal body

Other words from epiphysis

ep′i•physi•al (ĕp′ə-fĭzē-əl) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.