10-Letter Words Containing: O,M,A,C,H,Y

• A symbiosis between the mycelium of a fungus and the roots of a plant.

• divination by water (as by patterns seen in the ebb and flow of the tides)

• scientific instrument consisting of a rotating drum holding paper on which a stylus traces a continuous record (as of breathing or blood pressure)

• telling fortunes by lines on the palm of the hand

• Any normal macroscopic plant, especially an aquatic one.