Etymology: Middle English (northern dialect) a, alteration (before consonants) of an, from Old English ān — more at one
chiefly Scotland : one
II. abbreviation
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/ay/, adj. Scot.
one.
the ash, an early English ligature representing a vowel sound like that of a in modern bad. The long ae continued in use until about 1250, but was finally replaced by e. The short ae was given up by 1150, being replaced usually by a but sometimes by e.
a digraph or ligature appearing in Latin and Latinized Greek words. In English words of Latin or Greek origin, ae is now usually represented by e, except generally in proper names (Caesar), in words belonging to Roman or Greek antiquities (aegis), and in modern words of scientific or technical use (aecium).
Also, ae.
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abbrev
Air Efficiency Award
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ae «ay», adjective.
Scottish. one.
ae.,
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abbr. autoexposure
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ae(eː)
Useful english dictionary. 2012.