erlenmeyer flask
Another word for a triangular flask is a conical flask.
A vial or phial.
a jar, flask etc
Flask, being a noun, does not have an antonym.
There are 4 sounds in the word "flask" (/f/ /l/ /a/ /sk/).
Amphoreus.
Olpe
Bottle? bottle
flask
furkin
She lived in the moment and drank freely from the flask of life's finest adventures. I am on a quest to retrieve yon flask. huh??
They are usually called Amphora.