maskful

plural maskfuls · plural masksful

1. As much as a mask holds.

   That maskful of sleeping gas was worse than the poison, worse than death itself.

   2002, Susanna Vance, Sights, page 11

   2 more examples

   The snorkels have automatic closing devices that usually work by gravity — which means little when a diver is upside down. A maskful of water isn't uncommon with these, but perhaps experience will show that you prefer one.

   2005, John Blaine, Rick Brant's Science Projects, page 53

   And there he was, some thirty minutes later, being placed on a stretcher by a muscular young paramedic, getting treated to a maskful of delicious oxygen that made breathing downright fun, if a gent can have fun under these kinds of circumstances.

   2012, Ashraf Kagee, Khalil's Journey, page 2