(Latin: half, partly, twice)

A small or imperfect ridge or crest.
semidestructive (adjective)
1. Partially or tending to destroy or causing destruction or damage. 2. Tending to overthrow, disprove, or discredit someone or something; such as, a semidestructive criticism.
Half or imperfectly transparent.
semidiurnal (adjective) (not comparable)
1. In astronomy, pertaining to, consisting of, or performed in, half the time between the rising and setting of a celestial body; chiefly in semi-diurnal arc.
2. Occurring every twelve hours; primarily referring to the tides.
3. Pertaining to, or accomplished in, half a day, or twelve hours; occurring twice every day.
4. A reference to, or traversed in, six hours, or in half the time between the rising and setting of a heavenly body; such as, a semidiurnal arc.
Half divine; a demigod.
That which is partially broken into small fragments or reduced to powder; such as, stones, sediment, etc.
1. Half lenticular or convex.
2. Imperfectly resembling a lens of the eye.
semilethal (adjective), more semilethal, most semilethal
1. Fatal or causing death in more than 50 percent, but fewer than 100 percent of cases: The doctors were cautious regarding the new disease that was spreading around, considering it a semilethal illness, not consistently fatal but still highly dangerous.
2. A mutation that produces more than 50 percent of mortality but not everyone: A change that was caused in the genetic make up of the monkeys at the zoo was considered semilethal; therefore, the researchers believed only about half of the species would survive.
Half-moon shaped; crescentic.