MLLW

M3L1L1W4

A form of mean lower low water — A reference tidal height equal to the average of the daily lower low water heights of a 19-year period (the National Tidal Datum Epoch).

UncommonScrabble 9
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Meanings

nounMLLW (countable and uncountable, plural MLLWs)

plural MLLWs

  1. abbreviationcountableinitialismuncountableInitialism of mean lower low water

    Zostera japonica has a strictly intertidal distribution from plus 4.0 to 8.0 feet MLLW. The two species [Z. japonica and Z. marina] overlap between plus 3.3 and 5.0 MLLW[].

    1997, Thomas M. Niesen, “Quiet-Water Habitats: Bays, Estuaries, and Lagoons”, in Beachcomber's Guide to Marine Life of the Pacific Northwest, Houston: Gulf Publishing Company, →ISBN, page 73
Cite this entry
APA

MLLW. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/MLLW

MLA

“MLLW.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/MLLW. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “MLLW,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/MLLW.

Source: MLLW on Wiktionary, CC BY-SA 4.0.