identical twin

American  

noun

1. one of a pair of twins who develop from a single fertilized ovum and therefore have the same genotype, are of the same sex, and usually resemble each other closely.

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Etymology

Origin of identical twin

First recorded in 1885–90

Example Sentences

I have four boys, and the middle two are identical twins.

From The Wall Street Journal

"I always wished I was an identical twin - I liked being a twin, but being an identical twin is a bit cooler," Grace said.

From BBC

Elliott meets, and is attracted to, Joey’s identical twin brother, the gay Jack, a successful businessman who explains that Joey has suffered serious psychological problems.

From The Wall Street Journal

The fans wanted more this year - perhaps it is time for Yates' less decorated, identical twin brother Adam to provide it.

From BBC

But despite its popularity, identical twins Matt and Ross Duffer have ruled out a sequel.

From BBC

Related Words

• Siamese twin
• fraternal twin