tropo-, trop-, -tropal, -trope(s), -tropic, -tropism, -tropia, -tropous, -tropy, trep-


Don't confuse this tropo-, -tropy element with tropho-, meaning "food, nourishment, nutrition".

acrotropic (adjective), more acrotropic, most acrotropic
A reference to or relating to the continued growth of a plant in the same direction as the original growth.
acrotropism (noun), acrotropisms (pl)
The continued growth of a plant in the same direction in which it originally started.
aerotropic (adjective), more aerotropic, most aerotropic
Referring to the movement of an organism toward or away from a supply of air.
aerotropism (s) (noun), aerotropisms (pl)
ageotropism (s) (noun), ageotropisms (pl)
allotrope (s) (noun), allotropes (pl)
A substance that exists and is metastable in two or more physical forms over a given temperature range: Allotropes have different chemical and physical properties; for example, graphite and diamond are allotropes of carbon.
allotropism (s) (noun), allotropisms (pl)
The existence of certain elements, in various forms differing in physical properties; such as, carbon black, graphite, and diamond are all pure carbon.
allotropy (s) (noun), allotropies (pl)
The existence of a solid substance in different physical forms: Tin has metallic and non-metallic crystalline forms while carbon has two crystalline allotropies: diamond and graphite.
amphitropous (adjective), more amphitropous, most amphitropous
A description of an ovule or a seed: Amphitropous seeds are half inverted and straight, with the hilum lateral (scar or point of attachment of the seed); an ovule that is curved back along its funiculus (free stalk of an ovule or seed) so that the base and micropyle (minute opening on the ovule through which the pollen tube usually enters) are close together.
anatropous (adjective), more anatropous, most anatropous
Relating to a flower ovule with an inverted structure where the stalk attachment is near the top and the opening is near the bottom of the stem.
anisotropic (adjective), more anisotropic, most anisotropic
anisotropy (s) (noun), anisotropies (pl)
1. The departure of cosmic microwave radiation from equal intensity in all direcions.
2. The property of a plant that assumes a certain position in response to an external stimulus.
3. A situation when there are unequal responses to external stimuli.
apogeotropic (adjective), more apogeotropic, most apogeotropic
apogeotropically (adverb), more apogeotropically, most apogeotropically
Descriptive of vegetation that grows upward away from soil; such as, plant stems and tree trunks.
apogeotropism (s) (noun), apogeotropisms (pl)

Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; -plex; streph-; stroph-; tors-; verg-; vers-; volv-.