autotransformer
[ aw-toh-trans-fawr-mer ]
/ ˌɔ toʊ trænsˈfɔr mər /
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noun Electricity.
a transformer having a single coil that serves as both a primary coil and a secondary coil.
QUIZZES
QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!
Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?
First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.
First appeared in 1610, based on the French word “baguette” for the long loaf of bread.
First appeared in 1555, and is related to the French word “raquette” for a netted bat.
TAKE THE QUIZ TO FIND OUT Origin of autotransformer
First recorded in 1890–95; auto-1 + transformer
Words nearby autotransformer
autotopagnosia, autotoxaemia, autotoxemia, autotoxicosis, autotoxin, autotransformer, autotransfusion, autotransplant, autotransplantation, autotroph, autotrophic
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for autotransformer
autotransformer
/ (ˌɔːtəʊtrænsˈfɔːmə) /
noun
a transformer in which part of the winding is common to both primary and secondary circuits
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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