TermCymru

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English: high water mark of spring tides
Welsh: marc penllanw’r gorllanw
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 21 February 2018
English: mean high water spring tide
Welsh: penllanw cymedrig y gorllanw
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Cyfartaledd dau benllanw dilynol pan fydd ystod y llanw ar ei uchaf (hynny yw, tua unwaith bob pythefnos).
Context: Mae’r cynllun hwn yn ymestyn hyd lefel cymedr penllanw’r gorllanw (mean high water spring tides), a dyfroedd pob aber, afon neu sianel hyd cymedr penllanw’r gorllanw.
Last Updated: 6 June 2019
English: spring tide
Welsh: gorllanw
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 20 June 2024