What does the medical Abbreviation Cal mean?

It can mean many things, here is a list that you can go over and make your best guess

calorie

Calories

chronic airflow limitation

calbindin

calcaneus

calcein

calcimycin

calcitonin

Calcitriol

calcium test

calculated average life

calicheamicin

calorimetric enthalpy DeltaH

Calphostin C

calretinin

Candida Antarctica lipase

clinical attachment

clinical attachment level

clinical attachment levels

clinical attachment loss

colicin A lysis protein

Conditional associative learning

coracoacromial ligament

coronary arterial lesions

coronary artery lesion