fetal membrane
— Noun
– English
～ any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus
fertilization membrane
— Noun
– English
～ the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon
flash memory
— Noun
– English
～ nonvolatile storage that can be electrically erased and programmed anew
Felix Mendelssohn
— Noun
– English
～ German musician and romantic composer of orchestral and choral works (1809-1847)
fence mending
— Noun
– English
～ social action to improve poor relations (especially in politics); "they moved forward from a period of fence mending to substantive changes in the country"
family Menyanthaceae
— Noun
– English
～ a dicotyledonous family of marsh plants of order Gentianales
fulminating mercury
— Noun
– English
～ a fulminate that when dry explodes violently if struck or heated; used in detonators and blasting caps and percussion caps
Fannie Merritt Farmer
— Noun
– English
～ an expert on cooking whose cookbook has undergone many editions (1857-1915)
Franz Anton Mesmer
— Noun
– English
～ Austrian physician who tried to treat diseases with a form of hypnotism (1734-1815)
Friedrich Anton Mesmer
— Noun
– English
～ Austrian physician who tried to treat diseases with a form of hypnotism (1734-1815)
fat metabolism
— Noun
– English
～ a metabolic process that breaks down ingested fats into fatty acids and glycerol and then into simpler compounds that can be used by cells of the body
fusible metal
— Noun
– English
～ an alloy with a low melting point and used as solder and in safety plugs and sprinkler fuses
full metal jacket
— Noun
– English
～ a lead bullet that is covered with a jacket of a harder metal (usually copper)
frozen metaphor
— Noun
– English
～ a metaphor that has occurred so often that it has become a new meaning of the expression (e.g., `he is a snake' may once have been a metaphor but after years of use it has died and become a new sense of the word `snake')