Odium /(ō"dĭ*ŭm)/

O·di·um

Odium

n.
  1. Hatred; dislike; as, his conduct brought him into odium, or, brought odium upon him.
  2. The quality that provokes hatred; offensiveness.
    She threw the odium of the fact on me.
    I wish I had a cause to seek him there, To oppose his hatred fully.
    You have . . . dexterously thrown some of the odium of your polity upon that middle class which you despise.
    — Beaconsfield.

Phrases & Compounds
Odium theologicum
the enmity peculiar to contending theologians.
Syn. -- Hatred; abhorrence; detestation; antipathy.

-- Odium, Hatred. We exercise hatred; we endure odium. The former has an active sense, the latter a passive one. We speak of having a hatred for a man, but not of having an odium toward him. A tyrant incurs odium. The odium of an offense may sometimes fall unjustly upon one who is innocent.

Oïdium

n.
  1. A genus of minute fungi which form a floccose mass of filaments on decaying fruit, etc. Many forms once referred to this genus are now believed to be temporary conditions of fungi of other genera, among them the vine mildew (Oïdium Tuckeri), which has caused much injury to grapes. (Bot.)