marking

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marking

1. the arrangement of colours on an animal, plant, etc.
2. assessment and correction of school children's or students' written work by teaching staff

Marking

 

(biology), the tagging of a group of cells, individual cells, or intracellular structures to study what happens to them subsequently. Marking is used in research on developmental biology, chiefly in embryology. Methods used for marking are in vivo dyeing, 3H-thymidine tagging, and genetic and biochemical markers (transplantation of cells or groups of cells into the embryos of animals of different species, into normal and mutant individuals, or into individuals with different ploidies).


Marking

 

any of several ways of identifying products or parts with letters, numbers, inscriptions, notices, or conventional signs (symbols) on labels, packing, sealing, or the product itself. There is also transport marking, which usually contains the address of the sender (consigner) and recipient (consignee) of the freight, as well as the notices and/or symbols (signs) specifying the freight-handling methods during transport and during loading and unloading.

marking

A symbol or group of symbols displayed on the surface of the movement area in order to convey aeronautical information (ICAO). See airport signs.
References in classic literature ?
During the night Camp Walbach was passed on the left; Lodge Pole Creek ran parallel with the road, marking the boundary between the territories of Wyoming and Colorado.
The dim suggestion of the laboratory seemed presently to fall away from me, and I saw the sun hopping swiftly across the sky, leaping it every minute, and every minute marking a day.
A Noun is a composite significant sound, not marking time, of which no part is in itself significant: for in double or compound words we do not employ the separate parts as if each were in itself significant.
Be all this as it may: the course of our party of bee hunters is to make a wide circuit through the woody river bottoms, and the patches of forest on the prairies, marking, as they go out, every tree in which they have detected a hive.
Coming in from the eastward, the bright colouring of the lightship marking the part of the river committed to the charge of an Admiral(the Commander-in-Chief at the Nore) accentuates the dreariness and the great breadth of the Thames Estuary.
All hands now set to work cutting down trees, clearing away thickets, and marking out the place for the residence, storehouse, and powder magazine, which were to be built of logs and covered with bark.
She consulted, and in a degree was influenced by her in marking out the scheme of retrenchment which was at last submitted to Sir Walter.
Not so very far to the left of her she could discern a dark patch in the scenery, which inquiry confirmed her in supposing to be trees marking the environs of Kingsbere--in the church of which parish the bones of her ancestors--her useless ancestors--lay entombed.
And back of the town, far around and abroad over the miles of level campagna, were scattered rows, and circles, and clusters of lights, all glowing like so many gems, and marking where a score of villages were sleeping.
Fifty miles away to the westward, Mount Rubeho raised its sparkling crest, marking the limit of the Ugogo country in east longitude thirty-six degrees twenty minutes.
Without being asked he began to recite it, very slowly, marking the rhythm with an extended forefinger.
No life would have been possible to Dorothea which was not filled with emotion, and she had now a life filled also with a beneficent activity which she had not the doubtful pains of discovering and marking out for herself.