The diagnostic marks of alkaline excess are asthenicity and aplasticity, while the signs of acid diathesis (except the phosphoric) are sthenicity and plasticity;[…]Aplasticity and asthenicity show a deficiency of acid or an excess of alkalies in the system;

But, the power of the caricaturist lies in exhibiting with increased ugliness personal and natural defects . . .

Concourſe, and noiſe, and toil, he ever fled; / Nor cared to mingle in the clamorous fray / Of ſquabbling imps; but to the foreſt ſped, / Or roam'd at large the lonely mountain's head; […]

One encounters a similar situation in homology theory. Beside singular homology, which is a homotopy invariant, and Čech homology, which is a shape invariant, there exists strong homology, which is a strong shape invariant. In the special case of metric compacta, this homology was introduced by N.E. Steenrod in 1940 and is often referred to as the Steenrod homology.