Term: phon: a unit of subjective loudness
Broader: sound unit: any acoustic unit of measurement | Unrelated: petard: an explosive device used to break down a gate or wall
Broader: sound unit: any acoustic unit of measurement | Unrelated: rhizopod: protozoa characterized by a pseudopod
Broader: sound unit: any acoustic unit of measurement | Unrelated: tachograph: a tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle
Broader: sound unit: any acoustic unit of measurement | Unrelated: recreational drug: a narcotic drug that is used only occasionally and is claimed to be nonaddictive
Broader: sound unit: any acoustic unit of measurement | Unrelated: landing gear: an undercarriage that supports the weight of the plane when it is on the ground
Broader: sound unit: any acoustic unit of measurement | Unrelated: calamus oil: carcinogenic oil from calamus root used as a perfume
Broader: sound unit: any acoustic unit of measurement | Unrelated: ignition key: a key that operates the ignition switch of an automotive engine
Broader: sound unit: any acoustic unit of measurement | Unrelated: gusset: a piece of material used to strengthen or enlarge a garment
Broader: sound unit: any acoustic unit of measurement | Unrelated: puddle: a mixture of wet clay and sand that can be used to line a pond and that is impervious to water when dry
Broader: sound unit: any acoustic unit of measurement | Unrelated: dicotyledones: comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae