How To Use Concave shape In A Sentence

Pit 3 is located 25 meters to the north of Pit 1 and to the west of Pit 2. The plane of the pit is of concave shape, totaling about 520 square meters.
The disk has no nucleus, but, in consequence of its biconcave shape, presents, according to the alterations of focus under an ordinary high power, a central part, sometimes bright, sometimes dark, which has the appearance of a nucleus (Fig. 453, a). V. Angiology. 2. The Blood
In order to facilitate the preparation of the main processing parts concave shape, the punch process.
This contact opening 8 has a concavo-concave shape; that is, both sides of the opening have a concave shape.
Genetic defects of the red cell membrane may cause the red cells to assume a spherical rather than a biconcave shape, or alter their configuration to an elliptical form.

The concave shape behind the spoon head can reduce the pressure to fingers during peeling.
This was not an artifact, as those erythrocytes fixed within the blood vessels retained a normal biconcave shape.
The concavo-concave shape of the anticlinal cell walls adjacent to the guard cells, reflects the bowed shape of the guard cells.
In order to facilitate the preparation of the main processing parts concave shape, the punch process.
The round, concave shape of the wok means the whole wok becomes a cooking surface, making optimum use of the heat.