hy·​dro·​ce·​phal·​ic ˌhī-drō-sə-ˈfa-lik How to pronounce hydrocephalic (audio)
: relating to, characterized by, or affected with hydrocephalus
hydrocephalic noun

Examples of hydrocephalic in a Sentence

Recent Examples on the Web Here’s Forsdyke’s illustration: a normal adult brain on the left, alongside two striking adult post-hydrocephalic ones. Neuroskeptic, Discover Magazine, 26 July 2015 That pain begins in pre-memory, when, 5 months old and hydrocephalic, Alexie needs surgery to relieve the excess cerebral spinal fluid pressing on his brain, and from that moment on, the hits keep coming. The Washington Post, OregonLive.com, 30 July 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydrocephalic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1815, in the meaning defined above

Time Traveler
The first known use of hydrocephalic was in 1815

Dictionary Entries Near hydrocephalic

Cite this Entry

“Hydrocephalic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrocephalic. Accessed 17 May. 2024.

Medical Definition


1 of 2 adjective
ˌhī-drō-sə-ˈfal-ik, British also -kə-ˈfal-
: relating to, characterized by, or affected with hydrocephalus


2 of 2 noun
: one affected with hydrocephalus
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!