sealing
- 01 B2 Upper Intermediate
n.the act of closing something so tightly that nothing can get in or out.
n.the process or action of making a container or space airtight, watertight, or secure against tampering.
Simple“The sealing of the windows helped keep the house warm during the winter.”
In context“Proper sealing of the laboratory samples is essential to prevent cross-contamination during the long-term storage phase.”
- 02 C1 Advanced
n.the activity of hunting seals, usually for their fur, skin, or oil.
n.the commercial or subsistence hunting of seals.
Simple“Many countries have passed laws to limit sealing in the Arctic.”
In context“The decline of traditional sealing has had a significant economic impact on several remote coastal communities in the north.”
Synonymsseal hunting - 03 B1 Intermediate
v.the action of closing something firmly or marking it with an official stamp.
v.the present participle of 'seal', used to describe the ongoing action of closing, fastening, or authenticating.
Simple“He was sealing the envelopes when he realized he forgot to sign the letters.”
In context“The notary was busy sealing the legal documents to ensure their authenticity before the court session began.”
“Barcelona have won the last two La Liga titles, sealing last season’s against Real Madrid, who they finished eight points clear of at the top of the table.”
“After sealing her first victory since June, 30-year-old Boulter will face Wimbledon champion and sixth seed Linda Noskova in the second round.”
From seal (“device”) + -ing.
From seal (“mammal”) + -ing.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.