List of 10-letter words beginning with

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There are 14 ten-letter words beginning with ECTO

ECTOBLASTS	• ectoblasts n. Plural of ectoblast. • ECTOBLAST n. the outer layer of the blastoderm, also EPIBLAST.
ECTOCRINES	• ectocrines n. Plural of ectocrine. • ECTOCRINE n. any metabolite that is released into an organism's environment and influences the vital processes of other organisms.
ECTODERMAL	• ectodermal adj. (Biology) Of or pertaining to the ectoderm. • ECTODERMAL adj. of or relating to the ectoderm, also ECTODERMIC.
ECTODERMIC	• ectodermic adj. (Biology) Of or relating to the ectoderm. • ECTODERMIC adj. of or relating to the ectoderm, also ECTODERMAL.
ECTOENZYME	• ectoenzyme n. (Biochemistry) Any enzyme found outside of (or on the outer surface of) a cell. • ECTOENZYME n. an exoenzyme, an enzyme that functions outside the cell producing it.
ECTOGENIES	• ECTOGENY n. the effect of pollen on the tissues of a plant.
ECTOGENOUS	• ectogenous adj. (Zoology, of a pathogenic organism) Able to survive outside of its host. • ECTOGENOUS adj. of a parasite, that can live outside a host.
ECTOMORPHS	• ectomorphs n. Plural of ectomorph. • ECTOMORPH n. a psychophysical type with long thin bones and large surface relative.
ECTOMORPHY	• ectomorphy n. The condition of being ectomorphic. • ECTOMORPHY n. the state of being an ectomorph.
ECTOPHYTES	• ectophytes n. Plural of ectophyte. • ECTOPHYTE n. a vegetable ectoparasite.
ECTOPHYTIC	• ectophytic adj. Relating to ectophytes. • ECTOPHYTIC adj. relating to an ectophyte, a vegetable ectoparasite.
ECTOPLASMS	• ectoplasms n. Plural of ectoplasm. • ECTOPLASM n. the outer transparent layer of protoplasm in a developing ovum, also EXOPLASM.
ECTOPROCTS	• ectoprocts n. Plural of ectoproct. • ECTOPROCT n. a bryozoan, a moss or liverwort.
ECTOTHERMS	• ectotherms n. Plural of ectotherm. • ECTOTHERM n. a cold-blooded animal.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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English Wiktionary: 47 words
Scrabble in French: 6 words
Scrabble in Spanish: 2 words
Scrabble in Italian: 9 words
Scrabble in German: no word
Scrabble in Romanian: 7 words

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