form-, -form, forma-, format-

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

acariform (s) (noun), acariforms (pl)
Shaped or in the form of a mite or mites: Using powerful microscopes in the biology laboratory, the students studied and drew acariforms as part of their class assignment.
Acariformes (proper noun)
A taxonomic superorder of mites comprising three subgroups, Astigmata, Oribatei, Prostigmata, and including phytophagous, fungivorous, predatory, and parasitic forms: The lecture in the zoological department at the university focused on Acariformes, a topic of great interest to the veterinarian students.
Accipitriformes (pl) (proper noun)
In some classifications, an alternative name for the Falconiformes: The order Accipitriformes include birds of prey, such as hawks, vultures, kites, and eagles. and any of numerous carnivorous birds that hunt and kill other animals.
aciculiform (adjective), more aciculiform, most aciculiform
Needle-shaped: The aciculiform stem was slender like a needle or a bristle.
aciform (adjective) (not comparable)
Needle-shaped or in the form of a needle; acerose: Jimmy used a long thin aciform device with a hole in one end in order sew two pieces of leather together.
acinaciform (adjective) (not comparable)
1. Regarding a scimeter-shaped or oriental sword: Certain plants have acinaciform leaves.
2. Concerning something formed like a short, curved sword: There are certain fungal spores that have acinaciform shapes.
aciniform (adjective), more aciniform, most aciniform
Referring to something shaped similarly to a bunch of grapes: An aciniform structure describes the formation of an acinus.
actiniform (adjective) (not comparable)
Descriptive of the radiate form or structure of an aquatic organism: The ray fungus and the sea anemone both display a ray-like or rayed form.
aculeiform (adjective), more aculeiform, most aculeiform
Spine-shaped, like a prickle: An insect's ovipositor is aculeiform, particularly when it changes into a painful prick or puncture..
adeniform (adjective), more adeniform, most adeniform
Glandlike; of glandular appearance; adenoid: The adenoids have an adeniform shape and exist on the back wall of the nose above the tonsils in children, and dwindle in size during adolescence.
adipoceriform (adjective), more adipoceriform, most adipoceriform
Concerning something having the form or appearance of adipocere: The tumor Dr. Lawson surgically removed from the patient had an adipoceriform consistency and color.
albuminiform (adjective), more albuminiform, most albuminiform
Resemblin or formed like albumin: Some substances that are albuminiform include reserum albumin, alpha-fetoprotein, vitamin D-binding protein, and afamin.
aliform (adjective), more aliform, most aliform
Regarding an organism that looks like or has wings: wing-shaped; alary: Mary watched all the aliform butterflies fluttering around the many flowers in the garden.
Amphora transformed into @
It is apparently from amphora that we get the @ symbol.
anginiform (adjective), more anginiform, most anginiform
Pertaining to something resembling angina: The elderly Mr. Simmons was rushed to the hospital where he was examined regarding a possible angina pectoris, but it turned out to be an anginiform disorder and could be treated.

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