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The science of the relations between climate and periodic biological phenomena, as the migrations and breeding of birds, the flowering and fruiting of plants, etc. -- Phe`no*log"ic*al (#), a. -- Phe`no*log"ic*al*ly, adv. -- Phe*nol"o*gist (#), n.

tosynthesis only in light and within a certain range of temperature, varying according to climate. This is the only way in which a plant is able to organize carbohydrates. All plants without a chlorophyll apparatus, as the fungi, must be parasitic or saprophytic. --Pho`to*syn*thet"ic (#), a. -- Pho`to*syn*thet"ic*al*ly…

The science which treats of the earth's exterior physical features, climate, life, etc., and of the physical movements or changes on the earth's surface, as the currents of the atmosphere and ocean, the secular variations in heat, moisture, magnetism, etc.; physical geography.

nt, but is successfully cultivated in many warm countries, and as a house plant in colder climates. The fruit is as large as an orange, and has a hard rind containing many rather large seeds, each one separately covered with crimson, acid pulp.

Predominant; prevalent; most general; as, the prevailing disease of a climate; a prevailing opinion.

ch persons are capable of begetting or bearing children, usually considered, in temperate climates, to be about fourteen years in males and twelve in females.

wn cereal grass (Oryza sativa) and its seed. This plant is extensively cultivated in warm climates, and the grain forms a large portion of the food of the inhabitants. In America it grows chiefly on low, moist land, which can be overflowed. Ant rice. (Bot.) See under Ant. -- French rice. (Bot.) See Amelcorn. -- India…

Severity of climate or season; inclemency; as, the rigor of the storm; the rigors of winter.

r consequence; to incline. A man's nature runs either to herbs or weeds. Bacon. Temperate climates run into moderate governments. Swift.

Favorable to health; healthful; promoting health; as, salubrious air, water, or climate.

riousness; wholesomeness; healthfulness; as, the salubrity of the air, of a country, or a climate. "A sweet, dry small of salubrity." G. W. Cable.

act of level land covered with the vegetable growth usually found in a damp soil and warm climate, -- as grass or reeds, -- but destitute of trees. [Spelt also savannah.] Savannahs are clear pieces land without woods. Dampier. Savanna flower (Bot.), a West Indian name for several climbing apocyneous plants of the genus…

r habit; to habituate; to accustom; to inure; to ripen; to mature; as, to season one to a climate.

Producing, or tending to, disease; as, a sickly autumn; a sickly climate. Cowper.

The wheather; the climate. Thou wert better in thy grave than to answer with thy uncovered body this extremity of the skies. Shak.

(Bot.), a plant which requires artificial heat to make it grow in cold or cold temperate climates. -- Stove plate, thin iron castings for the parts of stoves.

Moderate; not excessive; as, temperate heat; a temperate climate.

nhabitants. Being transplanted out of his cold, barren diocese of St. David into a warmer climate. Clarendon.

s; characteristic of, or incident to, the tropics; being within the tropics; as, tropical climate; tropical latitudes; tropical heat; tropical diseases.

, n., 4. -- Twin flower (Bot.), a delicate evergreen plant (Linnæa borealis) of northern climates, which has pretty, fragrant, pendulous flowers borne in pairs on a slender stalk. -- Twin-screw steamer, a steam vessel propelled by two screws, one on either side of the plane of the keel.