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English Words Starting With G

5,448 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

galactagogue
adjectivenounC1/C2
/ɡəˈlaktəɡɒɡ/A substance that induces, increases, or maintains a mother's milk production.
galactan
nounC2/Technical
/ɡəˈlæk.tæn/A polysaccharide composed of galactose sugar units.
galactic coordinate
nounC2
/ɡəˈlæk.tɪk kəʊˈɔː.dɪ.nət/a set of numerical values (longitude and latitude) that specifies the position of an object within our Milky Way galaxy, using the galactic plane as the reference plane.
galactic equator
nounC2
/ɡəˈlæk.tɪk ɪˈkweɪ.tə/The great circle on the celestial sphere that lies in the plane of the Milky Way Galaxy, essentially the projection of the Milky Way's central plane onto the sky.
galactic halo
nounVery Low
/ɡəˈlæk.tɪk ˈheɪ.ləʊ/A roughly spherical component of a galaxy that extends beyond its main visible structure, containing sparse stars, globular clusters, and dark matter.
galactic latitude
nounLow
/ɡəˈlæk.tɪk ˈlæt.ɪ.tjuːd/A coordinate in a galactic coordinate system, measured in degrees north or south from the galactic plane (analogous to latitude on Earth).
galactic longitude
nounVery Low
/ɡəˈlæk.tɪk ˈlɒŋ.ɡɪ.tjuːd/An angular measurement specifying the east-west position of an object in the Milky Way galaxy, analogous to longitude on Earth.
galactic nebula
nounC2/Very Low
/ɡəˈlæk.tɪk ˈnɛb.jʊ.lə/A cloud of interstellar gas and dust located within our Milky Way galaxy, often illuminated by nearby stars.
galactic noise
nounC2
/ɡəˈlæk.tɪk nɔɪz/In radio astronomy, a constant, diffuse background of radio emission originating from our Milky Way galaxy.
galactic plane
nounC2
/ɡəˈlæk.tɪk pleɪn/The flat, disk-shaped region in which the majority of a galaxy's stars, gas, and dust are concentrated.
galactic pole
nounvery low
/ɡəˈlæk.tɪk pəʊl/One of the two points on the celestial sphere (north and south) that are perpendicular to the plane of the Milky Way galaxy.
galactic poles
plural-nounC1
/ɡəˈlæk.tɪk pəʊlz/The two points on the celestial sphere diametrically opposite each other where the axis of rotation of the Milky Way galaxy, extended, intersects the celestial sphere.
galactic year
nounC2
/ɡəˌlæk.tɪk ˈjɪə/The time it takes for the Solar System to complete one orbit around the center of the Milky Way galaxy.
galactico
nounC2
/ɡəˈlaktɪkəʊ/A term, originating from Spanish, referring to an elite, world-famous, and highly expensive footballer signed by a top club, especially Real Madrid; by extension, any superstar signing or top-tier celebrity in their field.
galactin
nounVery Low
/ɡəˈlaktɪn/A substance that promotes milk secretion; prolactin.
galactometer
nounExtremely Low
/ˌɡælækˈtɒmɪtə/An instrument for measuring the density, fat content, or purity of milk.
galactophore
nounVery rare / Technical
/ɡəˈlæk.tə.fɔː/A duct or channel for carrying milk, especially in the mammary gland.
galactopoietic
adjectivenounVery Low
/ɡəˌlæk.təʊ.pɔɪˈet.ɪk/Promoting or stimulating the secretion of milk.
galactorrhea
nounVery Low
/ɡəˌlæk.təˈriː.ə/The spontaneous flow of milk from the breast, unassociated with childbirth or nursing.
galactosamine
nounVery Low
/ɡəˌlæk.təʊˈsæ.miːn/An amino sugar derived from galactose, a basic component of many glycoproteins and glycolipids.

Showing 141–160 of 5448 words.