Definition

1. Noun:
   • A skin inflammation caused by exposure to sunlight or other sources of ultraviolet radiation: "Actinic dermatitis" is a medical term for a skin condition resulting from sensitivity to or overexposure to actinic (light) rays, particularly from the sun.

Usage Examples

• Noun:
  • The patient was diagnosed with actinic dermatitis after spending the entire day at the beach without protection.
  • Chronic actinic dermatitis is a concern for individuals with photosensitive skin.
  • Wearing a broad-spectrum sunscreen can help prevent actinic dermatitis.

Advanced Usage

• As a specific medical diagnosis: The term is often used in clinical settings to describe a photodermatitis where sunlight is the primary causative agent.
  • The biopsy results confirmed it was a case of actinic dermatitis, not a contact allergy.

Variants and Related Words

• Actinic keratosis (n): A different, pre-cancerous skin lesion also caused by sun damage.
• Photodermatitis (n): A broader term for skin inflammation caused by light, which includes actinic dermatitis.
• Dermatitis (n): General term for inflammation of the skin.

Synonyms

• Sun poisoning (informal): A severe, systemic reaction to sun exposure that can include dermatitis.
• Photosensitive dermatitis: Dermatitis triggered by light sensitivity.

Related Phrases

• Actinic damage: Long-term skin damage caused by sunlight.
  • Years of actinic damage led to both actinic dermatitis and keratosis.

Notes

• The word "actinic" specifically refers to radiant energy, especially from the sun, that can produce chemical changes. Therefore, "actinic dermatitis" is a precise term indicating the cause (light) and the effect (skin inflammation).

Noun

1. dermatitis caused exposure to sunlight