Dictionary.com
Thesaurus.com
Jump To:
  • haem-
    haem-
    variant of hem-.
  • haem
    haem
    noun
    biochem a complex red organic pigment containing ferrous iron, present in haemoglobin

haem-

American  
Chiefly British.
  1. variant of hem-.

    haemangioma.


haem 1 British  
/ hiːm /

noun

  1. biochem a complex red organic pigment containing ferrous iron, present in haemoglobin

"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

haem- 2 British  

combining form

  1. Also (US): hem-.  a variant (before a vowel) of haemo-

"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

Usage

What does haem- mean? Haem- is a combining form used like a prefix meaning “blood.” It is used in many medical terms, especially in pathology. Haem- comes from the Greek haîma, meaning “blood.”Chiefly used in British English, the combining form haem- is a variant of hem-, itself a variant of hemo- before a vowel. Want to know more? Read our Words That Use hem- and hemo- articles. Historically, haem- has been written as hæm-, featuring a ligature of the a and e. Other variants of haem- used like hemo- are hema-, hemat-, and hemato-. As with haem-, all these combining forms are often spelled with an additional a in British English, as in haema-, haemo-, haemat-, and haemato-. Also closely related to haem- are -aemia, -emia, -haemia, and -hemia, which are combined to the ends of words to denote blood conditions.

Etymology

Origin of haem

C20: shortened from haematin

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.

See Examples For:

Top left, the chromatogram of the detergent-solubilized sample, showing traces for protein at 280 nm, haem c at 412 nm and haem a at 443 nm respectively.

From Nature Apr. 24, 2018

The wavelengths associated with the haem peaks are 605 nm, 560 nm, 552 nm and a broad peak at 630 nm for haems a, b, c and d, respectively.

From Nature Apr. 24, 2018

Top right, the chromatogram of the sample isolated using the SMA copolymer, showing traces for protein at 280 nm, haem c at 410 nm and haem a at 605 nm.

From Nature Apr. 24, 2018

These other suspects include haem iron – a substance that is abundant in all red meat, processed or not – and heterocyclic amines: chemicals that form in meat during cooking.

From The Guardian Mar. 1, 2018

I vas not vant der let haem git advantage mit me."—"How get the advantage?"—"Mine brudder noticed dot he was ein shoemaker und dot der Bresbyterians shtood oop ven dey bray.

From Donahoe's Magazine, Volume 15, No. 1, January 1886 by Various

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training