"airtight jar" is a correct and usable phrase in written English.
It is typically used to describe a jar or container that has a tight seal and does not allow air to enter or escape. Example: "I store my homemade jam in an airtight jar to ensure it stays fresh for a longer period of time."
Store in an airtight jar, ideally in the fridge.
Finally mix in the turmeric and store in an airtight jar – you won't need it all.
Store in an airtight jar in the fridge for up to 5 days.
This can be made a few days ahead, and kept in an airtight jar in the fridge until required.
Put it in an airtight jar and when the jar is three-quarters full cover with the outer leaves and press them down firmly.
The pesto will make far more than you actually need but I find that it does tend to keep very well for a few weeks if you store it in an airtight jar or container in the fridge.
Cool and store in sterilised airtight jars.
Pack them in airtight jars and freeze for a week, to kill any lurking bean weevils, then let the jars return to room temperature unopened.
A woman gazed intently at a wall of stool samples from llamas, gibbons, storks, lions, anteaters, elephants, and sloths, all collected from the nearby zoo and double-sealed in airtight jars and Lucite cases.
400ml hot weak Earl Grey tea 40g soft brown sugar 250g Agen prunes (or other large good-quality prunes), stoned or stone-in, as you prefer 150ml orange juice 2 bay leaves Zest of 1 orange 1 cinnamon stick 1 vanilla pod, split lengthways 2 450ml airtight jars (such as Kilner or similar), cleaned Make the tea, add the sugar, stir to dissolve and leave to cool.
To follow decomposition, CO2 respired from soil (controls) and soil with litter was trapped in 25 mL of NaOH in open plastic containers set into the airtight jars.
