haploid

Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

hap·loid

(hăp′loid′)

adj.

Having a single set of unpaired chromosomes, as in a germ cell, such as an egg or sperm, or in a moss plant or a drone bee.

An organism having haploid cells.

[From Greek haploos, single; see sem- in Indo-European roots + -oid.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

haploid

(ˈhæplɔɪd) biology

adj

(Biology) (esp of gametes) having a single set of unpaired chromosomes

(Biology) a haploid cell or organism

[C20: from Greek haploeidēs single, from haplous single]

ˈhaploidy n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

hap•loid

(ˈhæp lɔɪd)

adj. Also, hap•loi′dic.

1. single; simple.

2. pertaining to a single set of chromosomes.

3. an organism or cell having only one complete set of chromosomes, ordinarily half the normal diploid number.

[< German (1905) < Greek haploid-, s. of haploḯs single, simple, derivative of haplóos single]

hap·loid

(hăp′loid′)

Relating to or having a single set of each chromosome in a cell or cell nucleus. In animals, only the reproductive cells are haploid. Compare diploid. See Note at mitosis.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

haploid

Having one set of chromosomes in the nucleus.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Switch to new thesaurus

Noun	1.	haploid - (genetics) an organism or cell having only one complete set of chromosomes organism, being - a living thing that has (or can develop) the ability to act or function independently genetic science, genetics - the branch of biology that studies heredity and variation in organisms
Adj.	1.	haploid - of a cell or organism having a single set of chromosomes haploidic, monoploid genetic science, genetics - the branch of biology that studies heredity and variation in organisms diploid - of a cell or organism having two sets of chromosomes or twice the haploid number; "diploid somatic cells" polyploid - of a cell or organism having more than twice the haploid number of chromosomes; "a polyploid cell"; "a polyploid species"

Translations

haploid

haploide

semplice unico

haploid

[ˈhæplɔɪd] adj & n (Bio) → aploide (m)

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

hap·loid

n. haploide, célula sexual que contiene en el cromosoma la mitad de las características somáticas de la especie.

English-Spanish Medical Dictionary © Farlex 2012

References in periodicals archive ?

"I would be very skeptical at this point and really look at what they define as sperm--an actual moving sperm cell or just a haploid cell that can be used to implant into an egg cell?" asked Byron Petersen, associate professor in the Department of Pathology at the University of Florida.

Professor making sperm

These results indicated maturation of the primordial germ cells to haploid male gametes - called IVD sperm - characterised by containing half a chromosome set (23 chromosomes).

North research offers hope to infertile couples

Diploid cells have two sets (2n) of chromosomes, half that number, one set (n), is termed the haploid number.

Chapter 12: Sexual reproduction and inheritance

Production of inbred lines using traditional systems takes a long time, while gynogenesis offers the possibility of haploid and dihaploid lines production in a shorter time.

Effect of Polyamines on in Vitro Gynogenesis of Onion (Allium Cepa L.)

The haploid corn seeds, brought from Turkey, were planted in Azerbaijan with the participation of the deputy director of the Eastern Mediterranean Agricultural Research Institute of the Turkish Ministry of Agriculture and Forestry in Adana city, specialist in corn Ibrahim Cerit, research fellow of the university Gonul Comertpay, and researcher fellow of the plant breeding department at the Research Institute of Crop Husbandry, Halima Mammadova.

Hybrid maize seed production starts

Zac needed to raise PS500,000 to get him to Philadelphia, where they could treat his very rare form of childhood leukaemia, called Near Haploid. Alicya, events and fundraising engagement officer for Telford Crisis Support, said: "People got involved for Zac, and it just goes to show Telford can pull together.

Wear green to back food bank

When they did this, the embryo development proceeded, resulting in haploid plants, which have only one copy of the genome.

Asexual reproduction in rice, turns agricultural dream into reality

This follows the establishment of the state-of-the-art doubled haploid facility at the Kiboko Research Centre in Makueni County.

Brief news on farming and agribusiness developments from around the region

Could normal mice with two female parents, or even mice with two male parents, be produced using haploid embryonic stem cells with gene deletions?

Mouse Pups With Same-Sex Parents Bred Using Stem Cells, Gene Editing

The music mogul's donation came ahead of today's Zacfest, a charity fundraiser at Telford Town Park, for the little lad with near haploid leukaemia.

Cowell gift to ill lad, 4

Zac has Near Haploid, an extremely rare leukaemia, and America can offer treatment unavailable on the NHS.