diurnal variation (temperature, etc.); daily variation; diel cycle
out of the range of communication
numeric operation; numeric calculation
optical device; optical element
light emitter (fiber optics)
Edo (shogunate capital, now Tokyo); Yedo
to provide momentum; to give a boost to; to encourage; to spur; to stimulate
potato (Solanum tuberosum)
abbreviation; abbreviated style
exclusive line (communications); dedicated line
free ride (e.g. on train)
conventional forces; conventional military forces
diamond dust; ice crystals
grounds; foundation; authority; support; prop; something upon which to rely
additionally; in addition
political judgement; political decision