acorn valve
now rare
noun
1A mechanical valve resembling an acorn.
2 Electronics = acorn tube.
Origin
1930s; earliest use found in U.S. Patents.
- housemaster
- housemastering
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- housemastership
- housemate
- housemating
- housemistress
- house mite
- housemonger
- house moth
- housemother
- housemotherly
- house mouse
- house mover
- house moving
- house music
- house number
- House of Burgesses
- house of cards
- House of Commons
- house of correction
- house officer
- house of God
- house of ill fame
- house of ill repute