form-, -form, forma-, format-

(Latin: shape, structure, figure, outer appearance, composition, to compose; visual appearance; spacial arrangement; to develop or to acquire; to produce)

spiculiform (s) (noun), spiculiforms (pl)
That which is shaped into a point
spiniform
Resembling or shaped like a spine.
spleniform
stalactiform
Having the form of a stalactite.
stratiform
1. Composed of layers, or with a layered appearance or arrangement.
2. Forming or formed as a layer.
3. Like or having the form of a stratus cloud.
4. In meteorology, of a cloud, having a predominantly horizontal development; the opposite of cumuliform.
stratiformis
In meteorology, a cloud species characterized by an extensive horizontal layer or series of layers, either continuous or noncontinuous; the most common form for the altocumulus and stratocumulus genera, and occasionally found in cirrocumlus.
strigiformophilist
A collector of owl forms or figures.
talpiform
tauriform
1. Bull like or similarity to a bull.
2. Shaped like a bull, or the head or horns, of a bull.
tentaculiform (adjective), more tentaculiform, most tentaculiform
Having the form or appearance of long, thin arm-like body parts of certain sea creatures: The zoologist, Mr. Carter, specialized in finding and identifying as many nentaculiform shapes and structures of animals as he and his colleagues could locate.
terraform (verb), terraforms; terraformed; terraforming
1. To transform a landscape on another planet into one having the characteristics of landscapes on Earth.
2. To alter the environment of a celestial body in order to make it capable of supporting earth-life forms.
3. To change another planet's surface and atmosphere so that life as it exists on Earth is feasible.
terraformer
Someone who advocates the terraformation of another planet; such as, Mars.
terraforming
1. The process of modifying a planet, moon or other body to a more earth-like habitable atmosphere, temperature, and ecology.
2. Used very broadly as a synonym for planetary engineering in general. Since space exploration is in its infancy, a good deal of terraforming remains very speculative and serves to stimulate the imaginations of science-fiction writers.
terraformist
Someone who believes in the practice of terraforming.
thermoforming
A category of processing methods that use vacuum, air pressure, or mechanical energy to force a heated thermoplastic sheet into the shape of a mold; after cooling, the plastic part is removed from the mold and trimmed; used for boats, and components ranging from blister or bubble packaging to fender liners on automobiles.

Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; icono-; ideo-; imag-; morpho-; -oid; typo-.