semi-

(Latin: half, partly, twice)

semilune
A semilunar or crescent-shaped form, structure, etc.
semimetamorphosis
A partial or semicomplete metamorphosis
semimicro
semioviparous
semi-passive tag
Similar to active tags, but the battery is used to run the microchip's circuitry but not to broadcast a signal to the reader.

Some semi-passive tags sleep until they are woken up by a signal from the reader, which conserves battery life.

Semi-passive tags can cost a dollar or more. These tags are sometimes called battery-assisted tags.

semipermeable (adjective), more semipermeable, most semipermeable
Partially or selectively penetrable: Such materials as membranes are semipermeable in that they allow certain liquids or gases to pass through, but not other substances.
semiplume
1. A feather intermediate in type between a contour feather (body feather, as opposed to a wing or tail feather) and down.
2. A feather which has a plume-like web, with the shaft of an ordinary feather.
semipolitical
1. Political in some aspects or activities.
2. Reference to a partially political nature; having some political features.
semipublic
1. Partially, but not entirely, open to the use of the public.
2. Partially but not totally owned by the public.
3. Open to the knowledge and judgment of only a part of the public.
4. Partly, or to some degree, public.
semirigid
semiskilled
semi-solid
semisolid
semisupine, semisupination
1. Partly but not completely supine.
2. The attitude or assumption of a partly supine position (posture of an individual lying face up).
semiterrestrial (adjective) (not comparable)
Not growing or living entirely on land; partly terrestrial. A semiterrestrial crustacean needs both water and land in order to survive.

There are many amphibians that are semiterrestrial, requiring a most environment, and some lay their eggs on land for breeding.