hálfgrúpa

Hello, you have come here looking for the meaning of the word hálfgrúpa. In DICTIOUS you will not only get to know all the dictionary meanings for the word hálfgrúpa, but we will also tell you about its etymology, its characteristics and you will know how to say hálfgrúpa in singular and plural. Everything you need to know about the word hálfgrúpa you have here. The definition of the word hálfgrúpa will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofhálfgrúpa, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

Icelandic

Etymology

From hálf- (“half-”) +‎ grúpa (“group”).

Noun

hálfgrúpa f (genitive singular hálfgrúpu, nominative plural hálfgrúpur)

(mathematics) a semigroup; (any set for which there is a binary operation that is both closed and associative)

Declension

Declension of hálfgrúpa (feminine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hálfgrúpa	hálfgrúpan	hálfgrúpur	hálfgrúpurnar
accusative	hálfgrúpu	hálfgrúpuna	hálfgrúpur	hálfgrúpurnar
dative	hálfgrúpu	hálfgrúpunni	hálfgrúpum	hálfgrúpunum
genitive	hálfgrúpu	hálfgrúpunnar	hálfgrúpa	hálfgrúpanna

Derived terms

styttin hálfgrúpa (“cancellation semigroup”)
hálfgrúpumótun (“semigroup homomorphism”)
hálfgrúpa með hlutleysu (“semigroup with identity element, monoid”)

Wikious

Boobota

Sagapedia