Relating to or describing plants that derive nutrition primarily from gaseous substances in the atmosphere rather than soil.
Botanical term from 'gas' + Greek 'meta-' (beyond) + 'phyton' (plant), describing plants with unusual nutritional strategies, likely a highly specialized scientific neologism.
This word is so obscure that it barely appears even in specialized botanical literature—it represents the kind of ultra-specific scientific terminology that might describe some mosses or lichens but shows how vast English vocabulary extends beyond common use.
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