16 across - Silvery metallic element of the lanthanide series chiefly obtained from the ores monazite and bastnaesite? S?M?R?U? 22 across - Arrangement of the sails and other rigging on a ship or...
23a) synthetic chemical element produced by high energy atomic bombardment; formerly called unniloctium. h?s?i?m. I think h is right i have harlech for 23d thanks.
3d living organism combining biological and machine parts ?y?o?? 21a liquid surface disturbance not caused by surface tension ??i?t? w?v? (wave?) 27d addition of a final letter N in the declension of...