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English-Thai Dictionary

periderm

N ชั้นนอก ของ หนังกำพร้า ของ ตัวอ่อน

Webster's 1913 Dictionary

PERIDERM

PERIDERM Per "i *derm, n.

1. (Bot. )

Defn: The outer layer of bark.

2. (Zoöl.)

Defn: The hard outer covering of hydroids and other marine animals; the perisarc.

New American Oxford Dictionary

periderm

per i derm |ˈperiˌdərm ˈpɛrədərm | ▶noun Botany the corky outer layer of a plant stem formed in secondary thickening or as a response to injury or infection. DERIVATIVES per i der mal |ˌperiˈdərməl |adjective ORIGIN mid 19th cent.: from peri- ‘around ’ + Greek derma ‘skin. ’

Oxford Dictionary

periderm

peri |derm |ˈpɛrɪdəːm | ▶noun [ mass noun ] Botany the corky outer layer of a plant stem formed in secondary thickening or as a response to injury or infection. DERIVATIVES peridermal |pɛrɪˈdəːm (ə )l |adjective ORIGIN mid 19th cent.: from peri- ‘around ’ + Greek derma ‘skin ’.

Duden Dictionary

Periderm

Pe ri derm Substantiv, Neutrum , das |Perid e rm |griechisch-neulateinisch Pflanzengewebe, dessen äußere Schicht verkorkte Zellen bildet, während die innere unverkorkte blattgrünreiche Zellen aufbaut