different between layer vs understratum
layer
English
Pronunciation
- (Received Pronunciation) IPA(key): /l??/, (spelling pronunciation) /le?.?/
- (General American) IPA(key): /?le?.?/
- Rhymes: -??(?), -e??(?)
- Homophone: lair (one pronunciation)
Etymology 1
Appears at first glance to be from Middle English leyer, leyare (“a layer of stones or bricks”), equivalent to lay +? -er. In which case, ultimately identical to the other word below that is also spelt layer.
However, this word layer (referring to a thickness of a material covering a surface) has long been argued to be from a respelling of an obsolete sense of the word lair that was once used by farmers, which had to do with soil. The connecting sense between the usual meaning of lair and the specialised farming meaning was: an area where cows typically rest, the ground being fertilised by their waste. Related to lie, ledger.
Noun
layer (plural layers)
- A single thickness of some material covering a surface.
- Wrap the loaf in two layers of aluminum foil before putting it in the oven.
- After the first coat of paint dried, he applied another layer.
- An item of clothing worn under or over another.
- It's cold now but it will warm up this afternoon. Make sure you wear layers.
- A (usually) horizontal deposit; a stratum.
- I find seven-layer cake a bit too rich.
- One of the items in a hierarchy.
- mired in layers of deceit
- 2001, C/C++ Users Journal (volume 19, page 38)
- Right above the database access layer sits a number cruncher that performs any calculations that a particular request may require, such as computing a standard deviation. In many cases, this layer just forwards raw numbers.
- (computer graphics, by analogy to a stack of transparencies) one in a stack of (initially transparent) drawing surfaces that comprise an image; used to keep elements of an image separate so that they can be modified independently from one another.
Synonyms
- (single thickness): lay (obsolete)
- (stratum): stratum
Derived terms
- boundary layer
- orchestration layer
- ozone layer
Translations
Verb
layer (third-person singular simple present layers, present participle layering, simple past and past participle layered)
- (transitive, intransitive) To cut or divide into layers.
- (transitive, intransitive) To arrange in layers.
- Layer the ribbons on top of one another to make an attractive pattern.
Translations
Etymology 2
lay +? -er
Noun
layer (plural layers)
- A person who lays anything, such as tiles or a wager.
- 1890, The Argosy (volume 49, page 183)
- If fortune ever favoured any venturesome layer of bets, Tom Elliot was certainly the one that day.
- 1890, The Argosy (volume 49, page 183)
- A mature female bird, insect, etc. that is able to lay eggs.
- When dealing with an infestation of headlice, the first step is to eliminate the layers.
- A hen kept to lay eggs.
- A shoot of a plant, laid underground for growth.
Translations
Derived terms
- minelayer
- tracklayer
Further reading
- layer in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
- layer in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
Anagrams
- Arely, Arley, Early, Leary, Raley, Rayle, early, leary, re-lay, relay
layer From the web:
- what layer is the ozone in
- what layer does weather occur
- what layer of the earth do we live on
- what layer of the earth is liquid
- what layer do we live in
- what layer of the earth is the thickest
- what layer is the hottest
- what layers make up the lithosphere
understratum
English
Etymology
under- +? stratum
Noun
understratum (plural understrata)
- The layer, or stratum, of earth on which the soil rests; the subsoil.
understratum From the web:
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