periclinal adjective & noun. [pɛrɪ'klʌɪn(ǝ)l] L19.
[from Greek periklinēs sloping on all sides, formed as PERI- + klinēs sloping, from klinein to lean, slope: see -AL¹.]
A. adjective.
1. Geology. Sloping in all directions from a central point. L19.

2. Botany. Of a cell wall etc.: parallel to the surface of the meristem. Of growth: taking place by the formation of periclinal walls. Opp. anticlinal. L19.

3. Designating a plant chimera in which genetically different tissues are in distinct layers. E20.
b. noun. A periclinal surface or layer; a periclinal chimera. L19.

■ periclinally adverb L19.

[TahlilGaran] English Dictionary ▲