That is the correct scansion for that line - the poem is written in dactylic hexameter - and the stressed and unstressed syllables don't alternate. The patterns of stressed and unstressed syllables alternate, but in this case, the pattern is X / /, not X / or / X. The best guideline is to say the line normally and be patient.
An isobar refers to all of the nuclides of all elements that have a particular atomic mass. For example, helium-6 is one of the many isotopes of helium. The isobars of helium-6 are hydrogen-6, lithium-6, beryllium-6, and boron-6.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  crowbar(Noun) An iron or steel bar, often with a flattened end which may also be hook-shaped, to be used as a lever to manually force things apart. 2  crowbar(Noun) An electrical circuit that prevents an overvoltage from causing damage.