Term: bladder fern: any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori
Candidate hypernym: fern: any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores → 1
Candidate hypernym: bedlam: pejorative terms for an insane asylum → 0
Candidate hypernym: plaintiveness: expressing sorrowfulness → 0
Candidate hypernym: reversible process: any process in which a system can be made to pass through the same states in the reverse order when the process is reversed → 0
Candidate hypernym: allspice: ground dried berrylike fruit of a West Indian allspice tree; suggesting combined flavors of cinnamon and nutmeg and cloves → 0
Candidate hypernym: spontaneous combustion: ignition of a substance (as oily rags) resulting from an internal oxidation process → 0
Candidate hypernym: integrated circuit: a microelectronic computer circuit incorporated into a chip or semiconductor; a whole system rather than a single component → 0
Candidate hypernym: plunderage: the act of plundering (especially the embezzlement of goods on shipboard) → 0
Candidate hypernym: hooded seal: medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters → 0
Candidate hypernym: expansion bit: a bit with a cutting blade that can be adjusted to different sizes → 0
Candidate hypernym: americana: any artifact (such as books or furniture or art) that is distinctive of America → 0