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Any of various warm-blooded vertebrate animals of the class Mammalia, including humans, characterized by a covering of hair on the skin and, in the female, milk-producing mammary glands for nourishing the young.

[From Late Latin mammālis, of the breast, from Latin mamma, breast; see mā- in Indo-European roots.]

mam·ma′li·an (mă-mā′lē-ən) adj. & n.


(məˈmeɪ li ən, -ˈmeɪl yən)

1. an animal of the class Mammalia; mammal.
2. belonging or pertaining to the class Mammalia; characteristic of mammals.
mam•mal•i•ty (məˈmæl ɪ ti) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mammalian - any warm-blooded vertebrate having the skin more or less covered with hairmammalian - any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk
craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
Amniota - higher vertebrates (reptiles, birds and mammals) possessing an amnion during development
amnion, amnios, amniotic sac - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
chorion - the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)
allantois - the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)
class Mammalia, Mammalia - warm-blooded vertebrates characterized by mammary glands in the female
female mammal - animals that nourish their young with milk
tusker - any mammal with prominent tusks (especially an elephant or wild boar)
prototherian - primitive oviparous mammals found only in Australia and Tasmania and New Guinea
metatherian - primitive pouched mammals found mainly in Australia and the Americas
eutherian, eutherian mammal, placental, placental mammal - mammals having a placenta; all mammals except monotremes and marsupials
pelage, coat - growth of hair or wool or fur covering the body of an animal
fossorial mammal - a burrowing mammal having limbs adapted for digging
pilus, hair - any of the cylindrical filaments characteristically growing from the epidermis of a mammal; "there is a hair in my soup"
biauriculate heart - a heart (as of mammals and birds and reptiles) having two auricles
mount, ride - copulate with; "The bull was riding the cow"
digitigrade - (of mammals) walking on the toes with the posterior part of the foot raised (as cats, dogs, and horses do)
plantigrade - (of mammals) walking on the whole sole of the foot (as rabbits, raccoons, bears, and humans do)
estrous - (of lower mammals) showing or in a state of estrus; in heat; "the estrous state"; "the estrous cycle"
anestrous - (of lower mammals) not in a state of estrus; not in heat; "an anestrous bitch"
weaned - freed of dependence on something especially (for mammals) mother's milk; "the just-weaned calf bawled for its mother"
Adj.1.mammalian - of or relating to the class Mammaliamammalian - of or relating to the class Mammalia
ثَدْيي، لَبون


[mæˈmeɪlɪən] ADJmamífero


adjder Säugetiere


[mæˈmeɪlɪən] adj (Bio) (species, behaviour) → dei mammiferi


(ˈmӕməl) noun
any member of the class of animals (including man) in which the females feed the young with their own milk. Monkeys are mammals.
mamˈmalian (-ˈmei-) adjective
References in classic literature ?
Windsor Earl has made some striking observations on this head in regard to the great Malay Archipelago, which is traversed near Celebes by a space of deep ocean; and this space separates two widely distinct mammalian faunas.
He instanced a snake, the cast skin of which, deep purple in color, was fifty-one feet in length, and mentioned a white creature, supposed to be mammalian, which gave forth well-marked phosphorescence in the darkness; also a large black moth, the bite of which was supposed by the Indians to be highly poisonous.
This study is the first report that determines the effects of 17[beta]-estradiol, estrone, progesterone and androsterone among the mammalian sex hormones on in vitro regeneration of Triticale mature embryos.
473: In Vitro Mammalian Chromosomal Aberration Test
1m - which was mainly down to higher material costs and depreciation through the company's new Mammalian facility, according to directors.
1m, with directors citing increased material costs and depreciation through the company's new Mammalian facility as the main factors which offset work to reduce operating fixed costs.
As recognized leaders in microbial and mammalian derived biologies and vaccines, our sites offer over 30 years of combined experience in development and manufacture of recombinant proteins, vaccines and monoclonal antibodies, expressed in a number of host cell types including microbial, mammalian and insect cell systems.
As healthcare needs increase, the demand for less expensive and effective solutions is rising, pushing novel production hosts such as mammalian expression systems to advance.
The ZPD, sometimes known as the egg coat, is a glycoprotein layer surrounding the plasma membrane of mammalian oocytes.
The ancient mammalian relative has been named Megaconus mammaliaformis.
Due to the greater diversification and central role of the mammalian dentition in food procurement and processing, analyses of tooth morphology have figured prominently in our understanding of the biomechanics and evolution of the feeding apparatus.
And so ends, perhaps, this claim of mammalian uniqueness," said Harvey J.