[ loo-ni-tahyd-l ]
/ ˌlu nɪˈtaɪd l /


pertaining to the part of the tidal movement dependent upon the moon.

Origin of lunitidal

First recorded in 1850–55; luni- + tidal Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for lunitidal

/ (ˌluːnɪˈtaɪdəl) /


of or relating to tidal phenomena as produced by the moon

Word Origin for lunitidal

C19: from Latin lūna moon + tidal
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

Scientific definitions for lunitidal

[ lōō′nĭ-tīdl ]

Relating to tidal phenomena caused by the Moon.♦ The length of time between the transit of the Moon over the meridian at a particular location and the following high or low tide at that location is known as the lunitidal interval.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.