quartile
— Noun
– English
~ (statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores
quarto
— Noun
– English
~ the size of a book whose pages are made by folding a sheet of paper twice to form four leaves
quartz
— Noun
– English
~ a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
quartz crystal
— Noun
– English
~ a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators
quartz mill
— Noun
– English
~ a stamp mill for stamping quartz
quartz lamp
— Noun
– English
~ a mercury-vapor lamp that is enclosed in a quartz container instead of a glass container
quartz battery
— Noun
– English
~ a stamp mill for stamping quartz
quartz glass
— Noun
– English
~ colorless glass made of almost pure silica
quartz
— Noun
– English
~ colorless glass made of almost pure silica
quartz oscillator
— Noun
– English
~ an oscillator that produces electrical oscillations at a frequency determined by the physical characteristics of a piezoelectric quartz crystal
quartzite
— Noun
– English
~ hard metamorphic rock consisting essentially of interlocking quartz crystals
quartzose
— Adjective
– English
~ relating to or made of quartz
quasar
— Noun
– English
~ a starlike object that may send out radio waves and other forms of energy; many have large red shifts