achromous

/ə'kroumətaiz/

Thân thiện

The scientist examines an achromous mineral sample under bright light.

Definition

1. Adjective:
   • Having no color; colorless: Describes something that lacks any hue or color; appearing white, gray, or black.
   • Specifically in biology/medicine: Describing tissues, cells, or organisms that are not stained by or do not absorb colorants.

Usage

• The word "achromous" is a technical term primarily used in scientific contexts, such as biology, medicine, and physics. It describes the complete absence of color.
• It is synonymous with "achromatic" but is less common in general usage.

Examples

• Adjective:
  • Under the microscope, the achromous cells were difficult to distinguish from the background.
  • The mineral was achromous, resembling clear quartz.

Advanced Usage

• In scientific description: Used to specify the lack of pigmentation or staining in a sample.
  • The pathologist noted the achromous nature of the tissue, indicating a lack of melanin.

Variants and Related Words

• Achromatic (adj): Colorless; transmitting light without separating it into constituent colors (e.g., an achromatic lens).
• Achromasia (n): The condition of being colorless, especially lack of normal skin pigmentation.
• Achromatize (v): To remove color from; to make achromatic.

Synonyms

• Colorless
• Unpigmented
• Hueless
• Pallid (when referring to a pale, lacking-color appearance)

Antonyms

• Chromatic
• Colored
• Pigmented
• Hued

Notes

• "Achromous" is not typically used in everyday conversation. In most general contexts where one means "having no color," the word colorless is preferred.
• Do not confuse with similar-sounding words like "achromatic," which can also mean "free from chromatic aberration" in optics.

Học thuật

Adjective

1. having no color

Từ đồng nghĩa

• achromic