Adjective:

கடற்பரப்பினின்றும் 3 பாகத்தைவிட ஆழமான,

abyssal's Usage Examples:

It must, therefore, be supposed that abyssal forms have gradually acquired such tolerance of darkness as makes their health independent of the sun.

North Atlantic and Mediterranean; various abyssal species.

They have a well-developed proboscis which is used as a suctorial organ; some are abyssal, but the majority are either commensals or parasites of Echinoderms.

Among these the abyssal starfish and holothurians described by W.

The most abyssal of all crabs yet known is Ethusina abyssicola, Smith, or what is perhaps only a variety of it, E.

Thus red clay and radiolarian ooze are distinguished as abyssal deposits in contradistinction to the epilophic calcareous oozes.

They inhabit chiefly the northern seas, but many abyssal forms occur between the tropics and in the southern parts of the Atlantic and Pacific.

No Cambrian rocks are such as would be formed in the abysses of the sea - although the absence of well-developed eyes in the trilobites has led some to assume that this condition was an indication that the creatures lived in abyssal depths.

BALANOGLOSSUS, the general name given to certain peculiar, opaque, worm-like animals which live an obscure life under stones, and burrow in the sand from between tide-marks down to the abyssal regions of the sea.

Dimya; recent in abyssal depths and fossil since the Jurassic.

Synonyms:

deep, abysmal, unfathomable,

Antonyms:

measurable, fathomable, comprehensible, shallow,