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-oid

American  
  1. a suffix meaning “resembling,” “like,” used in the formation of adjectives and nouns (and often implying an incomplete or imperfect resemblance to what is indicated by the preceding element).

    alkaloid; anthropoid; cardioid; cuboid; lithoid; ovoid; planetoid.


-oid British  

suffix

  1. indicating likeness, resemblance, or similarity

    anthropoid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

–oid Scientific  
  1. A suffix meaning “like” or “resembling,” as in ellipsoid, a geometric solid that resembles an ellipse.


Usage

What does -oid mean? The suffix -oid means “resembling” or "like." It is often used in scientific terms, especially in biology.The suffix -oid comes from Greek -oeidēs, from eîdos meaning “form.”What are variants of -oid?The plural form of -oid used in the names of zoological classes is -oidea, as in cynoidea. Want to know more? Read our Words That Use article on -oidea.

Etymology

Origin of -oid

< Greek -oeidēs, equivalent to -o- -o- + -eidēs having the form of, derivative of eîdos form

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ruben Amorim has already beaten Manchester City twice this season - once with Sporting, and then with Manchester United - but can he make it three wins out of three at OId Trafford on Sunday?

From BBC

So this is different, and it is why we are at the stage where Rashford is speaking openly about a "new challenge" - but he does not have to leave OId Trafford for that.

From BBC

It came 31 days after Eddie Howe's side recorded an emphatic 3-0 victory at OId Trafford in the Carabao Cup.

From BBC

Thompson played alongside Boutier, a member at OId American.

From Seattle Times

A Russian spy at the British embassy in Berlin was caught by a sting operation, the OId Bailey has heard.

From BBC