The term 'Almost Bubble' can be summarized as a crossword solution for the word 'SIMMER, ' which is a six-letter word. Simmering is a cooking technique in which food is cooked in liquid at a temperature just below boiling point. This technique is used to cook food slowly and gently, allowing flavors to blend and develop. Simmering is often used for soups, stews, sauces, and other dishes that require long cooking times.