Word Finder - fins

definition

One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.

example

The fish's fins minimize water flow.

definition

A similar appendage of a cetacean or other marine animal.

example

a dolphin's fin

definition

A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.

example

The fin stabilises the plane in flight.

definition

A similar structure on the tail of a bomb, used to help keep it on course.

definition

A hairstyle, resembling the fin of a fish, in which the hair is combed and set into a vertical ridge along the top of the head from about the crown to the forehead.

definition

A device worn by divers and swimmers on their feet.

example

The divers wore fins to swim faster.

definition

An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.

definition

A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.

definition

To cut the fins from a fish, shark, etc.

definition

(Of a fish) to swim with the dorsal fin above the surface of the water.

definition

To swim in the manner of a fish.

example

A neutrally buoyant diver does not need to fin to maintain depth.

definition

To provide (a motor vehicle etc) with fins.

definition

(formerly Australia) a five-pound (£5) note; the sum of five pounds.

synonyms

• fiver

definition

A five-dollar bill; the sum of five dollars.

synonyms

• Lincoln
• fiver

We provide you with masks, and snorkel fins.

All the fins have a rounded outline; the short dorsal fin is without a spine, but the males possess a very thick and flattened outer ray in the ventral fins.

The fins of Pteropods are now interpreted as the expanded lateral margins of the foot, termed parapodia, not homologous with the siphonof Cephalopods which is formed from epipodia.

Short fins add just a little extra power to your normal kick strength.

Cephalic shield pointed behind; shell internal, chiefly membranous, with calcified nucleus, nautiloid; parapodia forming fins.

Ventral fins below or in front of the pectorals, the pelvic bones posterior to the clavicular symphysis and only loosely attached to it by ligament.

The alimentary sac is simple elegans from the fins of and devoid of caeca.

They resemble the latter in the elongation of the body, the large number of vertebrae (240 in Gymnotus), and the absence of pelvic fins; but they differ in all the more important characters of internal structure.

The most marked case of such inversion in comparative anatomy is that of Carl Gegenbaur (5826-5903), who in arranging the fins of fishes in support of his theory that the fin of the Australian.

One of the causes of these sudden advances is undoubtedly to be found in the acquisition of a new and extremely useful character., Thus the perfect jaw and the perfect pair of lateral fins when first acquired among the fishes favoured a very rapid and for a time unchecked development.

It by no means follows, however, from this incontrovertible evidence that the acquisition either of the jaw or of the lateral fins had not been in itself an extremely gradual process.

The ventral fins are slightly anterior to the origin of the dorsal fin; and the spine consists of from fortyseven to forty-nine vertebrae.

According to one story she was the daughter of HOlgi, the eponymous king of Halogaland (northern Norway); according to another she was the wife of HOlgi and daughter of Gusi, king of the Fins.

Into these fins, which are largely cuticular and strengthened by radiating bars, a single layer of ectoderm cells projects.

The centre of the skin between the fins is very narrow and the skins taper at each end, particularly at the tail.

A somewhat rare fish is the Polypterus, which has thick bony scales and 16 to 18 long dorsal fins.

Sharks are caught in enormous numbers with hook and harpoon; the flesh is considered by some to have aphrodisiacal properties; the dried fins and tails are exported to China; the oil is used for smearing boats.

They agree with fishes in the possession of median fins, and resemble the large majority of early fishes in their unequal-lobed (heterocercal) tail, but they have no ordinary a.v.l., c., Central.

The chief products for export are copra, tortoise-shell, mother-of-pearl, sharks' fins and trepang.

In order to meet these peculiarities the travelling organs of aquatic and flying animals (whether they be feet, fins, flippers or wings) are made not of rigid but of elastic materials.

The pectoral and ventral fins are so articulated as to perform the functions of feet, the fish being enabled to move, or rather to walk, on the bottom of the sea, where it generally hides itself in the sand or amongst sea-weed.

The larvae are free-swimming and have the pelvic fins elongated into filaments.

The pelvic fins are abdominal in position, long and pointed in shape, and the pelvic bones are connected with the caracoids.

These fins contain numerous (15-17) rays, a feature in which the fish differs from the Acanthopterygians.

Many catfish and some other species have sharp spines (often barbed) on their fins.

Both dorsal fins have a dark blotch at the rear.

With such short fins, and with them being so densely spaced, it is particularly sensitive to dust buildup.

But the UK way is to machine down the fins to original size and use a standard flywheel cowling.

This addition has a massive aluminum fin count of up to 140 fins, which provides maximum heat dissipation.

More visible are the big pectoral fins, on either side just behind the head.

Back to Top My fish has ragged fins / fin rot...?

Try opening up the case and checking to make sure there's no build-up of dust on the CPU cooling fins.

The pectoral fins are short and the tail fluke has a pronounced notch.

I saw some pale blue parrot fish and red squirrel fish with their V-shaped tail fins, each about fourteen inches long.

These fish are both notable for their large dorsal fins, and are generally peaceful aquarium inhabitants.

Using a two flute end mill, mill one side of the fins away to provide a place to mount the led.

They can also exhibit extreme lethargy with long spells laying on the bottom with clamped fins.

If there is, get a vacuum with the crevice nozzle attached and very gently clean the fins.

Despite the large pectoral fins and the strange color, I think this species is a Blenny, Lipophrys pholis.

Note the long pectoral fins that give this species its name.

No, it's the female resting just above the sea bed, her huge pectoral fins stretched out on either side!

This means they are easily damaged or destroyed by objects hitting them; such as lobster pots or diver's fins.

On one occasion a black-tip reef shark took an unhealthy interest in one of the team's fins.

For effective propulsion, the fins must be entirely submerged.

But he, poor man, disturbed only a couple of fins while I was catching a fair string, and he said it was his luck; but when we changed seats in the boat luck changed seats too.

On one occasion a black-tip reef shark took an unhealthy interest in one of the team 's fins.

Its silver scales glisten and sparkle in the sunshine, its blood red fins move in time with its mouth and gills.

The concave dorsal fin begins above the base of the ventral fins.

In choosing fish, select ones that hold their fins erect, and avoid those with split fins, hold their fins tight against their bodies, hover at the bottom of the tank or hide in the corners.

Center the bottom of the storm window and drive a screw at the two bottom corners of the side fins.