Technology / Aviation / Chord: The measurable distance between the leading and trailing edges of a wingform.
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Science / Biology / Notochord: In chordates, a cellular rod that runs the length of the body and provides dorsal support. Also, a structure of mesoderm in the embryo that will become the vertebrae of the spinal column. The stiff ro MORE
Entertainment / Music / Dominant Chord: Chord built on the fifth scale step, the V chord. MORE
Entertainment / Music / Subdominant Chord: Chord built on the fourth scale step, the IV chord. MORE
Entertainment / Music / Tonic Chord: Triad built on the first scale tone, the I chord. MORE
Entertainment / Music / Seventh Chord: Four-note combination consisting of a triad with another third added on top: spans a seventh between its lowest and highest tones. MORE