hydrophobic /hy·dro·pho·bic/ (-fo´bik)
hydrophobic
hydrophobic,
1. pertaining to hydrophobia (rabies).
2. not readily absorbing water, or being adversely affected by water.
3. lacking polar groups and therefore insoluble in water.
hy·dro·pho·bic (h  dr -f  b k, -f bk)adj. 1. Repelling, tending not to combine with, or unable to dissolve in water. 2. Of or exhibiting hydrophobia. |
hydrophobic
Etymology: Gk, hydor + phobos, fear
pertaining to the property of repelling or preferentially excluding water molecules, a quality possessed by nonpolar radicals or molecules that are more soluble in organic solvents than in water. Compare hydrophilic.
hydrophobic,
adj refers to the resistance of a substance to combine with water. Hydrophobic substances, such as oil, are composed of nonpolar molecules, which tend to clump together and repel water.
hydrophobic
1. pertaining to hydrophobia (rabies).
2. repelling water; insoluble in water; not readily absorbing water.
hydrophobic interaction
interaction of nonpolar (un-ionizable) hydrocarbon molecules forced together because of stronger water-water interaction.
hydrophobic signal peptides
15 to 30 amino acids located at or near the N-terminus of a protein that always includes a hydrophobic core of at least eight nonpolar amino acids, found in proteins that are synthesized on membrane bound ribosomes and destined for export from the cell.
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