hygro-, hygr- +

(Greek: moist, moisture, wet, damp)

hygro-orthokinetic, hygroorthokinetic
Relating to change in the rate of random movement of an organism in response to a humidity stimulus.
A reference to an organism living in the surface film of water on rocks.
Having such a structure as to be diaphanous when moist, and opaque when dry.

The hygrophanous description refers to the color change of mushroom tissue (especially the pileus surface or the "cap" of a fungal fruiting body) as it loses or absorbs water; which causes the pileipellis to become more transparent when wet and opaque when dry.

hygrophile (s) (noun), hygrophiles (pl)
An organism thriving in moist habitats: Most plants do not do well in wet areas, but some do like the monkey flower. blue vervain. and the daylily, which are all hygrophiles.
hygrophilic, hygrophilous (adjective); more hygrophilic, most hygrophilic; more hygrophilous, most hygrophilous
A description of vegetation that is adapted to growing in damp places: Jack read about some hygrophilic plants preferring wet soil, like the Indian grass and cordgrass.
hygrophily (s) (noun) (no pl)
The occurrence of an organism preferring life in moist habitats or places: Hygrophily describes how some plants have adapted well to damp areas, like the Japanese primrose and the marsh marigold.
hygrophobia (s) (noun) (no plural)
A strong dislike of liquids in any form: Sam somehow never liked to drink, especially wine and water, and he also had an aversion to dampness and moisture, and after he consulted his doctor, he was diagnosed as having hygrophobia!
hygrophobic (adjective), more hygrophobic, most hygrophobic
Referring to the intolerance of existing satisfactorily in moist situations: Some hygrophobic plants, including cacti, can grow and develop successfully in deserts, where there are arid atmospheric conditions.
1. A condition whereby there is a fear, or strong dislike, of liquids in any form; especially, wine and water; also an aversion to dampness or moisture.
2. In biology, relating to an intolerance of moist situations.
A plant living in a wet or moist habitat, typically lacking xeromorphic features; such as, plants or plant parts that are adapted for survival in dry conditions.
Relating to plants living in wet, or moist, environments.
An hygrometer, or an instrument that indicates changes in atmospheric humidity, that shows variations in the relative humidity of the atmosphere.

Unlike a hygrometer, a hygroscope only indicates a change in relative humidity, without measuring the magnitude of the change.

1. Capable of absorbing, or sensitive to, water from moist air.
2. Relating to a compound that easily absorbs moisture from the atmosphere.
hygroscopic coefficient, hygroscopic capacity
The percentage of water that will be absorbed by a completely dry mass of soil and be held in equilibrium if the soil comes in contact with a saturated atmosphere.
hygroscopic water, hygroscopic moisture
Moisture that adheres to soil particles and does not evaporate at ordinary temperatures.

Cross references of word families that refer to "water": aqua-; hydat-; hydro-.