glochid

Thân thiện

A cactus has many tiny glochids on its pads.

Definition

Noun A small, barbed hair or bristle, often occurring in tufts or clusters, especially on certain cacti. Glochids are easily detached and can cause skin irritation upon contact.

Usage

The word "glochid" is a technical term used primarily in botany and horticulture to describe a specific type of defensive structure on plants. It is a countable noun.

Examples: * The glochids on this prickly pear cactus are so fine they are almost invisible. * Be extremely careful when handling the cactus; a single glochid can be very painful to remove from your skin. * The areoles of the cactus are covered in clusters of sharp glochids.

Advanced Usage

• The term is often used in the plural form "glochids" because they typically occur in groups.
• It is commonly found in descriptions of plants in the subfamily (prickly pears and chollas).

Variants and Related Words

• Glochidium (noun): A less common variant with the same meaning. Also refers to the larval stage of certain freshwater mussels in zoology.
• Glochidiate (adjective): Having or bearing glochids.
  • The glochidiate surface of the cactus pad deters herbivores.

Synonyms

• Barbed bristle
• Barbed hair
• Spine (in a specific botanical context, though "spine" is a broader term)

Notes

• There are no specific idioms or phrasal verbs associated with this highly specialized term.
• The primary context for this word is scientific or related to gardening and plant care.

Học thuật

Noun

1. a barbed spine or bristle (often tufted on cacti)

Từ đồng nghĩa

• glochidium