Speakur

Word Pronunciation & Dictionary

laitance

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
lai-tance
IPA
10
Scrabble Score
8
Letters
2
Syllables
7
Unique Chars

Meaning

noun

A weak, milky layer of cement and aggregate fines on a concrete surface that is usually caused by an overwet mixture, overworking the mixture, improper or excessive finishing or combination thereof. Also, could be caused when a slurry mix is used on a deep foundation, where the slurry mix is not completely removed before placing concrete on top.

noun

The weak top layer of cement and aggregate fines on a concrete surface that stands between a topical coating and the underlying substrate. This laitance layer prevents a bond forming between the topical coating and substrate, whereby it causes delamination of the topical coating as the laitance layer fails first.

Etymology

From French laitance.

Origin

Word Breakdown

Inflected Forms

laitances (plural)

Questions

What does laitance mean?
A weak, milky layer of cement and aggregate fines on a concrete surface that is usually caused by an overwet mixture, overworking the mixture, improper or excessive finishing or combination thereof. Also, could be caused when a slurry mix is used on a deep foundation, where the slurry mix is not completely removed before placing concrete on top.
Where does laitance come from?
It is traced to French.

How to pronounce laitance

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