Yes, I would call that compost tea. You can't really store it because it is full of living organisms and will continue to change as the microbes reproduce and die off. It will stay "fresher" and beneficial longer if you aerate it with aquarium air pump and air stone., even though it will still convert to more bacterial rather than fungal stuff. It will become anaerobic and stinky if not aerated.
What do you want to use it on? You can dilute up to 1:9 water and strain it to use as foliage spray -- good for fungal disease preventive and immune enhancer. You can dilute to any proportion to add beneficial microbes to the soil under each plant. Use non-chlorinated water.
If you add nitrogen source like fish emulsion and a bit of unsulfured molasses, add more non-chlorinated/rainwater (like in a 5 gal bucket) and aerate for 24-36 hours, it will become even more biologically active and concentrated with added nutrients = AACT
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