1. Specialized plant cells that differ markedly in structure and function from surrounding cells, often containing distinctive substances such as crystals, oils, or pigments.
Usage: botanical term; plural form of idioblast; commonly used in plant anatomy and botany

Examples

• The leaf tissue contained numerous idioblasts filled with calcium oxalate crystals.
• Botanists identified idioblasts scattered throughout the stem's parenchyma.
• These idioblasts produce and store essential oils that give the plant its distinctive scent.
• Under the microscope, the idioblasts appeared as isolated cells with thick walls.
• The presence of idioblasts is an important diagnostic feature in plant classification.