teg-, tecto-, tect-

The ability of the body to defend its tissues by producing autoantitoxins.

A substance that is used to shield something from the effects of freezing: Cryoprotectants act largely by preventing large ice crystals from forming. The two commonly used for freezing cells are DMSO (dimethyl sulfoxide) or glycerol.

Referring to the capability to protect against injury due to freezing: Glycerol is a cryoprotective agent that protects frozen red blood cells.

1. Disposed to being discovered or perceived: When Susan talked with her friend, there was a certain detectable coolness in her friend's behavior.
2. Capable of being perceived by the senses or the mind; discernible: The strong odor in the fridge was certainly detectable and Joan thought it might be fish.

1. An outer protective covering; such as, the feathers or skin of an animal, a shell, or a rind (hard, tough outer layer, particularly on food; such as, fruit, cheese, etc.).
2. The outer layer of an ovule of a plant which develops into the seed coat.
3. Something which covers or encloses; especially, an enveloping layer (as a skin, membrane, or cuticle) of an organism or one of its parts.

An instrument used to measure seismic activity; made up of a stack of piezoelectric crystals with intervening metal foils that collect charges produced on the crystal faces when the crystals are strained by pressure from an inertial mass mounted above the stack.

1. To keep from being damaged, attacked, stolen, or injured; to guard: "Often protect is used in the sense of protecting something, like a valued item or a person; however, people can also protect against something; for example, a flu shot can protect against the flu virus."

2. Etymology: attested in English since 1530, from Latin protectus, "covered, protected", past participle of protegere, "to cover the front, protect" from pro-, "in front" + tegere, "to cover".

When anyone protects something, he or she is covering it or shielding it from harm.