1. (noun) permitting the free passage of electromagnetic radiation

• transparency

2. (noun) the quality of being clear and transparent

• transparency
• transparentness

1. (noun) permitting the free passage of electromagnetic radiation

• physical phenomenon

2. (noun) the quality of being clear and transparent

• clarity
• clearness
• uncloudedness

1. (noun) the quality of being clear and transparent

• limpidity
• pellucidity
• pellucidness

1. (noun) permitting the free passage of electromagnetic radiation

• cobwebby
• diaphanous
• filmy
• gauze-like
• gauzy
• gossamer
• see-through
• sheer
• transparent
• vaporous
• vapourous
• crystal clear
• crystal clear
• crystalline
• crystalline
• limpid
• limpid
• lucid
• lucid
• pellucid
• pellucid
• transparent
• transparent

2. (noun) the quality of being clear and transparent

• cobwebby
• diaphanous
• filmy
• gauze-like
• gauzy
• gossamer
• see-through
• sheer
• transparent
• vaporous
• vapourous
• crystal clear
• crystal clear
• crystalline
• crystalline
• limpid
• limpid
• lucid
• lucid
• pellucid
• pellucid
• transparent
• transparent
• transparent

1. (noun) permitting the free passage of electromagnetic radiation

• opacity