1. Partly or entirely open to the sky
   - hypethral

See also: unenclosed

• metallurgy
• metalware
• metalwork
• metalworker
• metalworking
• metalworking vise
• metalworks
• metamathematics
• metamere
• metameric
• metamerism
• metamorphic
• metamorphic rock
• metamorphism
• metamorphopsia
• metamorphose
• metamorphosis
• metamorphous
• metanephros
• metanoia
• metaphase
• metaphor
• metaphoric
• metaphorical
• metaphorically