phobo-, phob-, -phobia, -phobias, -phobe, -phobiac, -phobist, -phobic, -phobism, -phobous +
(Greek: fear, extreme fear of; morbid, excessive, irrational fear, or terror of something or someone; however, sometimes this Greek element means a strong dislike or hatred for something or someone)
obesophobia
A fear of gaining weight or the excessive fear that one is getting too fat.
ochlophobia, ochilophobia
An abnormal fear of crowds, or of being in crowded places, or populated areas.
ochophobia
An irrational dread of vehicles.
ocrephobia
A fear of being covered with gold paint (Gilt Complex?).
odontophobia
A fear of teeth, especially those of animals.
odynephobia, odynophobia, odynesphobia
An irrational fear of pain.
oecophobia, oikophobia
A fear of home surroundings and certain items in the home (electrical, etc.).
oenophobia, oinophobia
A fanatical fear of wine; hatred or extreme dislike of wine.
olfactophobia; osmophobia, osphresiophobia
1. An extreme hatred or fear of having certain odors.
2. A morbid fear of odors.
ombrophobia
1. An excessive fear of rain.
2. In biology, intolerant of prolonged rain.
ommatophobia, ommetaphobia
An exaggerated fear of eyes.
omniphobic material
A reference to materials that repel liquids consisting of water and oil.
Omniphobic is a newly coined word meaning "it hates everything".
The material forces away watery and oily liquids into tight droplets due to its surface texture, made up of 300-nanometer-tall "toadstools" with broad silicon dioxide caps and narrow silicon stems.
Water has very high surface tension, 72 milliNewtons per meter (mN/m) at room temperature, which means it easily forms near-spherical drops when placed on a surface.
Because of their near-spherical shape, the droplets meet the surface at a high angle above 150° if the water is sitting on a superhydrophobic surface.
—Compiled excerpts from "Dirt won't stick to omniphobic material"
by Colin Barras in the New Scientist; November 10, 2008.
oneirogmophobia
A fear of having "wet dreams".
oneirophobia
An intense fear of dreaming or of what they might mean.
onomatophobia, nomatophobia
An irrational fear of a certain name or hearing a certain word or words because they may have special significance.
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