germ tube
— Navneord
– Engelsk
~ (botany) a slender tubular outgrowth from a spore in germination
glow tube
— Navneord
– Engelsk
~ a gas-discharge tube consisting of a cold cathode and a diode in a tube filled with gas; the color of the glow depends on the particular gas
Geiger tube
— Navneord
– Engelsk
~ an ionization chamber contained in a tube in a Geiger counter
Geiger-Muller tube
— Navneord
– Engelsk
~ an ionization chamber contained in a tube in a Geiger counter
gas-discharge tube
— Navneord
– Engelsk
~ a tube in which an electric discharge takes place through a gas
genus Tuber
— Navneord
– Engelsk
~ type genus of the Tuberaceae: fungi whose fruiting bodies are typically truffles
genus Tubercularia
— Navneord
– Engelsk
~ type genus of the Tuberculariaceae; fungi with nodules of red or pink conidia; some cause diebacks of woody plants