Meanings

laser diode

half-width alphanumeric character

half-clutch

half-clutch

Balkans

leaving one's objective incomplete

half-track (vehicle)

fiscal quarter

quarterly report

second half of extra time (in soccer)

quarterly report

first half of extra time (in soccer)

not quite first-class

hybrid working environment

feigned ignorance

feigned ignorance

useless

useless

semi-private room

half wavelength