sealed up
61sealed orders — written orders or instructions that are not to be looked at until a specified time, esp. orders that are given in sealed form to a commander of a vessel to be opened after the vessel is out of contact with the shore. * * * …
62sealed systems — noun Plural of sealed system …
63sealed system — noun Any device with inner workings obscured. There are many types of sealed systems, for example an audio speaker, a printing machine, a heating system, a grain storage system …
64sealed source — noun A measured amount of radioisotope sealed within a protective container …
65sealed-bid — adj. Sealed bid is used with these nouns: ↑auction …
66sealed-offer — adj. Sealed offer is used with these nouns: ↑auction …
67SEALED ORDERS — the orders given the commanding officer of a ship or squadron that are sealed up, which he is not allowed to open till he has proceeded a certain length into the high seas; an arrangement in order to ensure secrecy in a time of war …
68sealed-beam — adjective denoting a vehicle headlamp with a sealed unit consisting of the light source, reflector, and lens …
69sealed book — /sild ˈbʊk/ (say seeld book) noun something beyond the possibility of knowing or understanding: *The great mystery of Ludwig Leichhardt remains a sealed book to this day –frank clune, 1937 …
70sealed orders — /sild ˈɔdəz/ (say seeld awduhz) plural noun sealed written orders, not to be opened until after leaving port, given to the commander of a vessel, containing instructions on where to proceed on a voyage …
